{"id":8931,"date":"2026-03-05T16:41:57","date_gmt":"2026-03-05T07:41:57","guid":{"rendered":"https:\/\/hasu0707.duckdns.org\/blog\/?p=8931"},"modified":"2026-03-05T17:00:07","modified_gmt":"2026-03-05T08:00:07","slug":"%ec%9d%b4%eb%8f%99%ed%86%b5%ec%8b%a0-%ec%b7%a8%ec%95%bd%ec%a0%90-%ea%b3%b5%ea%b2%a9-%ed%9d%90%eb%a6%84","status":"publish","type":"post","link":"https:\/\/hasu0707.duckdns.org\/blog\/?p=8931","title":{"rendered":"\uc774\ub3d9\ud1b5\uc2e0 \ucde8\uc57d\uc810 \uacf5\uaca9 \ud750\ub984"},"content":{"rendered":"\n<style>\nbody {\n  font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, \"Noto Sans\", Arial, sans-serif;\n  line-height: 1.6;\n  color: #222;\n  font-size: 16px;\n}\n\np {\n  margin: 0.8em 0;\n}\n\nh1, h2, h3, h4 {\n  font-weight: 700;\n  margin-top: 1.4em;\n  margin-bottom: 0.6em;\n  line-height: 1.25;\n}\n\nul, ol {\n  padding-left: 1.5em;\n  margin: 0.8em 0;\n}\n\nli {\n  margin: 0.4em 0;\n}\n\np code {\n  background: #f2f2f2;\n  padding: 2px 5px;\n  border-radius: 4px;\n  font-size: 0.9em;\n}\n\nblockquote {\n  border-left: 4px solid #ddd;\n  padding-left: 12px;\n  color: #555;\n  margin: 1em 0;\n}\n\ntable {\n  border-collapse: collapse;\n  margin: 1em 0;\n}\n\nth, td {\n  border: 1px solid #ddd;\n  padding: 8px 10px;\n}\n\nth {\n  background: #f6f6f6;\n}\n<\/style>\n<h1 data-start=\"2937\" data-end=\"2968\">SS7 \uacf5\uaca9 \uad6c\uc870 (\uac00\uc7a5 \uc720\uba85\ud55c \ud1b5\uc2e0\ub9dd \uacf5\uaca9)<\/h1>\n<p data-start=\"2970\" data-end=\"2999\">SS7\uc740 <strong data-start=\"2975\" data-end=\"2989\">\uc2e0\ub8b0 \uae30\ubc18 \ub124\ud2b8\uc6cc\ud06c<\/strong>\ub85c \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n<p data-start=\"3001\" data-end=\"3002\">\uc989<\/p>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">\ud1b5\uc2e0\uc0ac \uac04 \uc2e0\ub8b0<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-start=\"3022\" data-end=\"3032\">\uac00\uc815\uc774 \uc874\uc7ac\ud569\ub2c8\ub2e4.<\/p>\n<p data-start=\"3034\" data-end=\"3048\">\uc774\uac83\uc774 \uacf5\uaca9\uc758 \ud575\uc2ec\uc785\ub2c8\ub2e4.<\/p>\n<hr data-start=\"3050\" data-end=\"3053\">\n<h1 data-start=\"3055\" data-end=\"3066\">SS7 \uacf5\uaca9 \uc608\uc2dc<\/h1>\n<h3 data-start=\"3068\" data-end=\"3081\">1\ufe0f\u20e3 \uc704\uce58 \ucd94\uc801<\/h3>\n<p data-start=\"3083\" data-end=\"3087\">\uacf5\uaca9\uc790\uac00<\/p>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">ProvideSubscriberInfo<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-start=\"3120\" data-end=\"3126\">\uba54\uc2dc\uc9c0 \uc804\uc1a1<\/p>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">Attacker<br>|<br>SS7 Network<br>|<br>HLR<br>|<br>MSC\/VLR<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-start=\"3185\" data-end=\"3187\">\uacb0\uacfc<\/p>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">\ud604\uc7ac \uae30\uc9c0\uad6d \uc704\uce58 \ubc18\ud658<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-start=\"3211\" data-end=\"3229\">&rarr; <strong data-start=\"3213\" data-end=\"3229\">\uc0ac\uc6a9\uc790 \uc704\uce58 \ucd94\uc801 \uac00\ub2a5<\/strong><\/p>\n<hr data-start=\"3231\" data-end=\"3234\">\n<h3 data-start=\"3236\" data-end=\"3252\">2\ufe0f\u20e3 SMS \uac00\ub85c\ucc44\uae30<\/h3>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">UpdateLocation<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-start=\"3278\" data-end=\"3284\">\uba54\uc2dc\uc9c0 \uc704\uc870<\/p>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">Attacker &rarr; HLR<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-start=\"3310\" data-end=\"3316\">HLR \uc751\ub2f5<\/p>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">SMS routing \ubcc0\uacbd<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-start=\"3342\" data-end=\"3344\">\uacb0\uacfc<\/p>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">SMS interception<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-start=\"3372\" data-end=\"3385\">2FA SMS \ud0c8\ucde8 \uac00\ub2a5<\/p>\n<hr data-start=\"3387\" data-end=\"3390\">\n<h1 data-start=\"3392\" data-end=\"3403\">SS7 \uacf5\uaca9 \uc694\uc57d<\/h1>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"3405\" data-end=\"3552\">\n<thead data-start=\"3405\" data-end=\"3416\">\n<tr data-start=\"3405\" data-end=\"3416\">\n<th class=\"\" data-start=\"3405\" data-end=\"3410\" data-col-size=\"sm\">\uacf5\uaca9<\/th>\n<th class=\"\" data-start=\"3410\" data-end=\"3416\" data-col-size=\"sm\">\uc124\uba85<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"3427\" data-end=\"3552\">\n<tr data-start=\"3427\" data-end=\"3461\">\n<td data-start=\"3427\" data-end=\"3433\" data-col-size=\"sm\">\uc704\uce58 \ucd94\uc801<\/td>\n<td data-start=\"3433\" data-end=\"3461\" data-col-size=\"sm\">subscriber location leak<\/td>\n<\/tr>\n<tr data-start=\"3462\" data-end=\"3489\">\n<td data-start=\"3462\" data-end=\"3469\" data-col-size=\"sm\">SMS \ud0c8\ucde8<\/td>\n<td data-start=\"3469\" data-end=\"3489\" data-col-size=\"sm\">OTP interception<\/td>\n<\/tr>\n<tr data-start=\"3490\" data-end=\"3513\">\n<td data-start=\"3490\" data-end=\"3496\" data-col-size=\"sm\">\ud1b5\ud654 \ub3c4\uccad<\/td>\n<td data-start=\"3496\" data-end=\"3513\" data-col-size=\"sm\">call redirect<\/td>\n<\/tr>\n<tr data-start=\"3514\" data-end=\"3552\">\n<td data-start=\"3514\" data-end=\"3524\" data-col-size=\"sm\">\uac00\uc785\uc790 \uc815\ubcf4 \uc870\ud68c<\/td>\n<td data-start=\"3524\" data-end=\"3552\" data-col-size=\"sm\">subscriber data exposure<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<hr data-start=\"3554\" data-end=\"3557\">\n<h1 data-start=\"3559\" data-end=\"3579\">4\ufe0f\u20e3 Diameter \uacf5\uaca9 \uad6c\uc870<\/h1>\n<p data-start=\"3581\" data-end=\"3617\">Diameter\ub294 LTE signaling protocol\uc785\ub2c8\ub2e4.<\/p>\n<p data-start=\"3619\" data-end=\"3649\">\ud558\uc9c0\ub9cc SS7\uacfc \ub3d9\uc77c\ud558\uac8c <strong data-start=\"3633\" data-end=\"3642\">\uc2e0\ub8b0 \uae30\ubc18<\/strong> \uad6c\uc870\uc785\ub2c8\ub2e4.<\/p>\n<hr data-start=\"3651\" data-end=\"3654\">\n<h1 data-start=\"3656\" data-end=\"3671\">Diameter \uacf5\uaca9 \uc608<\/h1>\n<h3 data-start=\"3673\" data-end=\"3704\">Subscriber Information Leak<\/h3>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">Attacker<br>|<br>Diameter Network<br>|<br>HSS<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-start=\"3755\" data-end=\"3758\">\uba54\uc2dc\uc9c0<\/p>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">User-Data-Request<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-start=\"3787\" data-end=\"3789\">\uc751\ub2f5<\/p>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">User profile<br>Location info<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<hr data-start=\"3827\" data-end=\"3830\">\n<h3 data-start=\"3832\" data-end=\"3842\">DoS \uacf5\uaca9<\/h3>\n<p data-start=\"3844\" data-end=\"3850\">MME \uacf5\uaca9<\/p>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">Authentication Request Flood<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-start=\"3890\" data-end=\"3892\">\uacb0\uacfc<\/p>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">MME overload<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-start=\"3916\" data-end=\"3932\">LTE attach \uc2e4\ud328 \ubc1c\uc0dd<\/p>\n<hr data-start=\"3934\" data-end=\"3937\">\n<h1 data-start=\"3939\" data-end=\"3955\">Diameter \uacf5\uaca9 \uc720\ud615<\/h1>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"3957\" data-end=\"4101\">\n<thead data-start=\"3957\" data-end=\"3968\">\n<tr data-start=\"3957\" data-end=\"3968\">\n<th class=\"\" data-start=\"3957\" data-end=\"3962\" data-col-size=\"sm\">\uacf5\uaca9<\/th>\n<th class=\"\" data-start=\"3962\" data-end=\"3968\" data-col-size=\"sm\">\uc124\uba85<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"3979\" data-end=\"4101\">\n<tr data-start=\"3979\" data-end=\"4010\">\n<td data-start=\"3979\" data-end=\"3997\" data-col-size=\"sm\">Location tracking<\/td>\n<td data-col-size=\"sm\" data-start=\"3997\" data-end=\"4010\">\uac00\uc785\uc790 \uc704\uce58 \ucd94\uc801<\/td>\n<\/tr>\n<tr data-start=\"4011\" data-end=\"4046\">\n<td data-start=\"4011\" data-end=\"4032\" data-col-size=\"sm\">Subscriber data leak<\/td>\n<td data-col-size=\"sm\" data-start=\"4032\" data-end=\"4046\">\uac00\uc785\uc790 \ub370\uc774\ud130 \ud0c8\ucde8<\/td>\n<\/tr>\n<tr data-start=\"4047\" data-end=\"4076\">\n<td data-start=\"4047\" data-end=\"4051\" data-col-size=\"sm\">DoS<\/td>\n<td data-start=\"4051\" data-end=\"4076\" data-col-size=\"sm\">Core Network overload<\/td>\n<\/tr>\n<tr data-start=\"4077\" data-end=\"4101\">\n<td data-start=\"4077\" data-end=\"4092\" data-col-size=\"sm\">Session hijack<\/td>\n<td data-start=\"4092\" data-end=\"4101\" data-col-size=\"sm\">\uc138\uc158 \ud0c8\ucde8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<hr data-start=\"4103\" data-end=\"4106\">\n<h1 data-start=\"4108\" data-end=\"4123\">5\ufe0f\u20e3 GTP \uacf5\uaca9 \uad6c\uc870<\/h1>\n<p data-start=\"4125\" data-end=\"4144\">GTP\ub294 <strong data-start=\"4130\" data-end=\"4144\">\ud130\ub110 \uae30\ubc18 \ud504\ub85c\ud1a0\ucf5c<\/strong><\/p>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">GTP Tunnel<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-start=\"4166\" data-end=\"4174\">\uc744 \uc0dd\uc131\ud569\ub2c8\ub2e4.<\/p>\n<hr data-start=\"4176\" data-end=\"4179\">\n<h1 data-start=\"4181\" data-end=\"4192\">GTP \ud130\ub110 \uad6c\uc870<\/h1>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">UE<br>|<br>eNodeB<br>|<br>SGW<br>|<br>PGW<br>|<br>Internet<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<hr data-start=\"4242\" data-end=\"4245\">\n<h1 data-start=\"4247\" data-end=\"4257\">GTP \uacf5\uaca9 \uc608<\/h1>\n<h3 data-start=\"4259\" data-end=\"4279\">Tunnel Injection<\/h3>\n<p data-start=\"4281\" data-end=\"4285\">\uacf5\uaca9\uc790\uac00<\/p>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">Fake GTP Tunnel<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-start=\"4312\" data-end=\"4314\">\uc0dd\uc131<\/p>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">Attacker &rarr; PGW<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-start=\"4340\" data-end=\"4342\">\uacb0\uacfc<\/p>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">IP spoofing<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<hr data-start=\"4365\" data-end=\"4368\">\n<h3 data-start=\"4370\" data-end=\"4391\">Data interception<\/h3>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">GTP tunnel hijack<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-start=\"4420\" data-end=\"4422\">\uac00\ub2a5<\/p>\n<hr data-start=\"4424\" data-end=\"4427\">\n<h1 data-start=\"4429\" data-end=\"4440\">GTP \uacf5\uaca9 \uc720\ud615<\/h1>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"4442\" data-end=\"4562\">\n<thead data-start=\"4442\" data-end=\"4453\">\n<tr data-start=\"4442\" data-end=\"4453\">\n<th class=\"\" data-start=\"4442\" data-end=\"4447\" data-col-size=\"sm\">\uacf5\uaca9<\/th>\n<th class=\"\" data-start=\"4447\" data-end=\"4453\" data-col-size=\"sm\">\uc124\uba85<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"4464\" data-end=\"4562\">\n<tr data-start=\"4464\" data-end=\"4493\">\n<td data-start=\"4464\" data-end=\"4481\" data-col-size=\"sm\">Tunnel injection<\/td>\n<td data-start=\"4481\" data-end=\"4493\" data-col-size=\"sm\">\uac00\uc9dc \ud130\ub110 \uc0dd\uc131<\/td>\n<\/tr>\n<tr data-start=\"4494\" data-end=\"4515\">\n<td data-start=\"4494\" data-end=\"4506\" data-col-size=\"sm\">IP spoofing<\/td>\n<td data-start=\"4506\" data-end=\"4515\" data-col-size=\"sm\">IP \uc704\uc870<\/td>\n<\/tr>\n<tr data-start=\"4516\" data-end=\"4544\">\n<td data-start=\"4516\" data-end=\"4534\" data-col-size=\"sm\">Data interception<\/td>\n<td data-col-size=\"sm\" data-start=\"4534\" data-end=\"4544\">\ub370\uc774\ud130 \ud0c8\ucde8<\/td>\n<\/tr>\n<tr data-start=\"4545\" data-end=\"4562\">\n<td data-start=\"4545\" data-end=\"4549\" data-col-size=\"sm\">DoS<\/td>\n<td data-start=\"4549\" data-end=\"4562\" data-col-size=\"sm\">GTP flood<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<hr data-start=\"4564\" data-end=\"4567\">\n<h1 data-start=\"4569\" data-end=\"4584\">6\ufe0f\u20e3 \ud1b5\uc2e0\uc0ac \ubcf4\uc548 \uc7a5\ube44<\/h1>\n<p data-start=\"4586\" data-end=\"4608\">\uadf8\ub798\uc11c \ud1b5\uc2e0\uc0ac\ub294 \ub2e4\uc74c \uc7a5\ube44\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"4610\" data-end=\"4769\">\n<thead data-start=\"4610\" data-end=\"4621\">\n<tr data-start=\"4610\" data-end=\"4621\">\n<th class=\"\" data-start=\"4610\" data-end=\"4615\" data-col-size=\"sm\">\uc7a5\ube44<\/th>\n<th class=\"\" data-start=\"4615\" data-end=\"4621\" data-col-size=\"sm\">\uc5ed\ud560<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"4632\" data-end=\"4769\">\n<tr data-start=\"4632\" data-end=\"4658\">\n<td data-start=\"4632\" data-end=\"4645\" data-col-size=\"sm\">SS7 Firewall<\/td>\n<td data-start=\"4645\" data-end=\"4658\" data-col-size=\"sm\">SS7 \uacf5\uaca9 \ucc28\ub2e8<\/td>\n<\/tr>\n<tr data-start=\"4659\" data-end=\"4699\">\n<td data-start=\"4659\" data-end=\"4677\" data-col-size=\"sm\">Diameter Firewall<\/td>\n<td data-start=\"4677\" data-end=\"4699\" data-col-size=\"sm\">Diameter filtering<\/td>\n<\/tr>\n<tr data-start=\"4700\" data-end=\"4730\">\n<td data-start=\"4700\" data-end=\"4713\" data-col-size=\"sm\">GTP Firewall<\/td>\n<td data-start=\"4713\" data-end=\"4730\" data-col-size=\"sm\">GTP tunnel \ubcf4\ud638<\/td>\n<\/tr>\n<tr data-start=\"4731\" data-end=\"4769\">\n<td data-start=\"4731\" data-end=\"4745\" data-col-size=\"sm\">Signaling IDS<\/td>\n<td data-col-size=\"sm\" data-start=\"4745\" data-end=\"4769\">signaling anomaly \ud0d0\uc9c0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p data-start=\"4771\" data-end=\"4776\">\ub300\ud45c \ubca4\ub354<\/p>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">Enea<br>F5<br>Nokia<br>Ericsson<br>Palo Alto<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<hr data-start=\"4820\" data-end=\"4823\">\n<h1 data-start=\"4825\" data-end=\"4849\">7\ufe0f\u20e3 \ud1b5\uc2e0\uc0ac \ubcf4\uc548\uc5d0\uc11c \uac00\uc7a5 \uc704\ud5d8\ud55c \uacf5\uaca9<\/h1>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"4851\" data-end=\"5024\">\n<thead data-start=\"4851\" data-end=\"4863\">\n<tr data-start=\"4851\" data-end=\"4863\">\n<th class=\"\" data-start=\"4851\" data-end=\"4856\" data-col-size=\"sm\">\uacf5\uaca9<\/th>\n<th class=\"\" data-start=\"4856\" data-end=\"4863\" data-col-size=\"sm\">\uc704\ud5d8\ub3c4<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"4874\" data-end=\"5024\">\n<tr data-start=\"4874\" data-end=\"4905\">\n<td data-start=\"4874\" data-end=\"4896\" data-col-size=\"sm\">SS7 Location Tracking<\/td>\n<td data-start=\"4896\" data-end=\"4905\" data-col-size=\"sm\">\u2605\u2605\u2605\u2605\u2605<\/td>\n<\/tr>\n<tr data-start=\"4906\" data-end=\"4932\">\n<td data-start=\"4906\" data-end=\"4923\" data-col-size=\"sm\">SMS Interception<\/td>\n<td data-col-size=\"sm\" data-start=\"4923\" data-end=\"4932\">\u2605\u2605\u2605\u2605\u2605<\/td>\n<\/tr>\n<tr data-start=\"4933\" data-end=\"4966\">\n<td data-start=\"4933\" data-end=\"4958\" data-col-size=\"sm\">Diameter Subscriber Leak<\/td>\n<td data-col-size=\"sm\" data-start=\"4958\" data-end=\"4966\">\u2605\u2605\u2605\u2605<\/td>\n<\/tr>\n<tr data-start=\"4967\" data-end=\"4996\">\n<td data-start=\"4967\" data-end=\"4988\" data-col-size=\"sm\">GTP Tunnel Injection<\/td>\n<td data-col-size=\"sm\" data-start=\"4988\" data-end=\"4996\">\u2605\u2605\u2605\u2605<\/td>\n<\/tr>\n<tr data-start=\"4997\" data-end=\"5024\">\n<td data-start=\"4997\" data-end=\"5017\" data-col-size=\"sm\">MME Signaling Storm<\/td>\n<td data-col-size=\"sm\" data-start=\"5017\" data-end=\"5024\">\u2605\u2605\u2605<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<hr data-start=\"5026\" data-end=\"5029\">\n<h1 data-start=\"5031\" data-end=\"5038\">\ud575\uc2ec \uc815\ub9ac<\/h1>\n<h3 data-start=\"5040\" data-end=\"5062\">Signaling Protocol<\/h3>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"5064\" data-end=\"5158\">\n<thead data-start=\"5064\" data-end=\"5081\">\n<tr data-start=\"5064\" data-end=\"5081\">\n<th class=\"\" data-start=\"5064\" data-end=\"5069\" data-col-size=\"sm\">\uc138\ub300<\/th>\n<th class=\"\" data-start=\"5069\" data-end=\"5081\" data-col-size=\"sm\">Protocol<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"5092\" data-end=\"5158\">\n<tr data-start=\"5092\" data-end=\"5102\">\n<td data-start=\"5092\" data-end=\"5095\" data-col-size=\"sm\">2G<\/td>\n<td data-col-size=\"sm\" data-start=\"5095\" data-end=\"5102\">SS7<\/td>\n<\/tr>\n<tr data-start=\"5103\" data-end=\"5119\">\n<td data-start=\"5103\" data-end=\"5106\" data-col-size=\"sm\">3G<\/td>\n<td data-start=\"5106\" data-end=\"5119\" data-col-size=\"sm\">SS7 + GTP<\/td>\n<\/tr>\n<tr data-start=\"5120\" data-end=\"5141\">\n<td data-start=\"5120\" data-end=\"5123\" data-col-size=\"sm\">4G<\/td>\n<td data-start=\"5123\" data-end=\"5141\" data-col-size=\"sm\">Diameter + GTP<\/td>\n<\/tr>\n<tr data-start=\"5142\" data-end=\"5158\">\n<td data-start=\"5142\" data-end=\"5145\" data-col-size=\"sm\">5G<\/td>\n<td data-start=\"5145\" data-end=\"5158\" data-col-size=\"sm\">HTTP2 SBI<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<hr data-start=\"5160\" data-end=\"5163\">\n<p data-start=\"5165\" data-end=\"5177\">\u2714 <strong data-start=\"5167\" data-end=\"5177\">\ud55c \uc904 \ud575\uc2ec<\/strong><\/p>\n<blockquote data-start=\"5179\" data-end=\"5248\">\n<p data-start=\"5181\" data-end=\"5248\">\uc774\ub3d9\ud1b5\uc2e0 \ubcf4\uc548\uc5d0\uc11c \uac00\uc7a5 \uc911\uc694\ud55c \uacf5\uaca9 \ub300\uc0c1\uc740 <strong data-start=\"5205\" data-end=\"5244\">SS7 \/ Diameter \/ GTP signaling \ub124\ud2b8\uc6cc\ud06c<\/strong>\uc785\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n\n\n\n<style>\nbody {\n  font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, \"Noto Sans\", Arial, sans-serif;\n  line-height: 1.6;\n  color: #222;\n  font-size: 16px;\n}\n\np {\n  margin: 0.8em 0;\n}\n\nh1, h2, h3, h4 {\n  font-weight: 700;\n  margin-top: 1.4em;\n  margin-bottom: 0.6em;\n  line-height: 1.25;\n}\n\nul, ol {\n  padding-left: 1.5em;\n  margin: 0.8em 0;\n}\n\nli {\n  margin: 0.4em 0;\n}\n\np code {\n  background: #f2f2f2;\n  padding: 2px 5px;\n  border-radius: 4px;\n  font-size: 0.9em;\n}\n\nblockquote {\n  border-left: 4px solid #ddd;\n  padding-left: 12px;\n  color: #555;\n  margin: 1em 0;\n}\n\ntable {\n  border-collapse: collapse;\n  margin: 1em 0;\n}\n\nth, td {\n  border: 1px solid #ddd;\n  padding: 8px 10px;\n}\n\nth {\n  background: #f6f6f6;\n}\n<\/style>\n<p>&nbsp;<\/p>\n<p data-start=\"21\" data-end=\"156\"><strong data-start=\"21\" data-end=\"72\">\uc774\ub3d9\ud1b5\uc2e0\ub9dd \uacf5\uaca9\uc774 \ud56d\uc0c1 IPX(\ub610\ub294 GRX)\ub97c \uba3c\uc800 \uce68\ud22c\ud574\uc57c\ub9cc \uac00\ub2a5\ud55c \uac83\uc740 \uc544\ub2d9\ub2c8\ub2e4.<\/strong><br data-start=\"72\" data-end=\"75\">\ud558\uc9c0\ub9cc <strong data-start=\"79\" data-end=\"156\">\ud1b5\uc2e0\uc0ac \uc678\ubd80\uc5d0\uc11c signaling \uacf5\uaca9\uc744 \uc218\ud589\ud558\ub824\uba74 \ub300\ubd80\ubd84 IPX\/GRX \ub610\ub294 \uc5f0\uacb0\ub41c \uc0ac\uc5c5\uc790\ub97c \ud1b5\ud574 \uc811\uadfc\ud574\uc57c \ud558\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4.<\/strong><\/p>\n<p data-start=\"158\" data-end=\"180\">\uc989 \uacf5\uaca9 \uacbd\ub85c\ub294 \ud06c\uac8c 4\uac00\uc9c0\ub85c \ub098\ub269\ub2c8\ub2e4.<\/p>\n<p data-start=\"182\" data-end=\"319\">1\ufe0f\u20e3 <strong data-start=\"186\" data-end=\"208\">IPX\/GRX \ub85c\ubc0d\ub9dd\uc744 \ud1b5\ud55c \uacf5\uaca9<\/strong><br data-start=\"208\" data-end=\"211\">2\ufe0f\u20e3 <strong data-start=\"215\" data-end=\"249\">\ucde8\uc57d\ud55c \uc18c\uaddc\ubaa8 \ud1b5\uc2e0\uc0ac \ub610\ub294 MVNO \uce68\ud22c \ud6c4 \uc6b0\ud68c \uacf5\uaca9<\/strong><br data-start=\"249\" data-end=\"252\">3\ufe0f\u20e3 <strong data-start=\"256\" data-end=\"285\">\ud1b5\uc2e0\uc0ac \ub0b4\ubd80\ub9dd \uce68\ud22c \ud6c4 signaling \uc811\uadfc<\/strong><br data-start=\"285\" data-end=\"288\">4\ufe0f\u20e3 <strong data-start=\"292\" data-end=\"319\">\uc778\ud130\ub137 \ub178\ucd9c\ub41c signaling \ub178\ub4dc \uacf5\uaca9<\/strong><\/p>\n<p data-start=\"321\" data-end=\"338\">\uc544\ub798\uc5d0\uc11c \uad6c\uc870\uc801\uc73c\ub85c \uc124\uba85\ud569\ub2c8\ub2e4.<\/p>\n<hr data-start=\"340\" data-end=\"343\">\n<h1 data-start=\"345\" data-end=\"380\">1. IPX \/ GRX\uac00 \ubb34\uc5c7\uc778\uc9c0 (\uc65c \uacf5\uaca9 \uacbd\ub85c\uac00 \ub418\ub294\uac00)<\/h1>\n<p data-start=\"382\" data-end=\"498\"><strong data-start=\"382\" data-end=\"410\">IPX (IP Packet Exchange)<\/strong> \uc640 <strong data-start=\"413\" data-end=\"444\">GRX (GPRS Roaming Exchange)<\/strong> \ub294<br data-start=\"446\" data-end=\"449\">\ud1b5\uc2e0\uc0ac \uac04 <strong data-start=\"455\" data-end=\"494\">\ub85c\ubc0d signaling\uacfc \ub370\uc774\ud130 \ud2b8\ub798\ud53d\uc744 \uc5f0\uacb0\ud558\ub294 \uae00\ub85c\ubc8c \ud1b5\uc2e0\ub9dd<\/strong>\uc785\ub2c8\ub2e4.<\/p>\n<p data-start=\"500\" data-end=\"504\">\uad6c\uc870 \uc608<\/p>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">SKT Core<br>|<br>| Diameter \/ GTP<br>|<br>IPX Provider<br>|<br>| Diameter \/ GTP<br>|<br>Vodafone Core<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-start=\"611\" data-end=\"612\">\uc989<\/p>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">\ud1b5\uc2e0\uc0ac &harr; \ud1b5\uc2e0\uc0ac<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-start=\"633\" data-end=\"643\">\uc9c1\uc811 \uc5f0\uacb0\uc774 \uc544\ub2c8\ub77c<\/p>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">\ud1b5\uc2e0\uc0ac &rarr; IPX &rarr; \ud1b5\uc2e0\uc0ac<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-start=\"670\" data-end=\"676\">\uad6c\uc870\uc785\ub2c8\ub2e4.<\/p>\n<p data-start=\"678\" data-end=\"688\">\ub300\ud45c IPX \uc0ac\uc5c5\uc790<\/p>\n<ul data-start=\"690\" data-end=\"752\">\n<li data-start=\"690\" data-end=\"701\">\n<p data-start=\"692\" data-end=\"701\">Syniverse<\/p>\n<\/li>\n<li data-start=\"702\" data-end=\"723\">\n<p data-start=\"704\" data-end=\"723\">Tata Communications<\/p>\n<\/li>\n<li data-start=\"724\" data-end=\"730\">\n<p data-start=\"726\" data-end=\"730\">BICS<\/p>\n<\/li>\n<li data-start=\"731\" data-end=\"743\">\n<p data-start=\"733\" data-end=\"743\">Orange IPX<\/p>\n<\/li>\n<li data-start=\"744\" data-end=\"752\">\n<p data-start=\"746\" data-end=\"752\">iBasis<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"754\" data-end=\"757\">\n<h1 data-start=\"759\" data-end=\"781\">2. \uc65c IPX\uac00 \uacf5\uaca9 \uacbd\ub85c\uac00 \ub418\ub294\uac00<\/h1>\n<p data-start=\"783\" data-end=\"809\">\ub85c\ubc0d\ub9dd\uc740 \uc6d0\ub798 <strong data-start=\"791\" data-end=\"805\">\uc2e0\ub8b0 \uae30\ubc18 \ub124\ud2b8\uc6cc\ud06c<\/strong>\uc785\ub2c8\ub2e4.<\/p>\n<p data-start=\"811\" data-end=\"816\">\uc124\uacc4 \uac00\uc815<\/p>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">\ubaa8\ub4e0 \ud1b5\uc2e0\uc0ac\ub294 \uc2e0\ub8b0 \uac00\ub2a5<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-start=\"841\" data-end=\"844\">\uadf8\ub798\uc11c<\/p>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">Signaling filtering\uc774 \uc57d\ud568<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-start=\"879\" data-end=\"881\">\uacb0\uacfc<\/p>\n<p data-start=\"883\" data-end=\"899\">IPX \ub0b4\ubd80\uc5d0 \uc811\uadfc\ub9cc \uac00\ub2a5\ud558\uba74<\/p>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">SS7<br>Diameter<br>GTP<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-start=\"927\" data-end=\"942\">\uba54\uc2dc\uc9c0\ub97c \ubcf4\ub0bc \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<hr data-start=\"944\" data-end=\"947\">\n<h1 data-start=\"949\" data-end=\"974\">3. \uc2e4\uc81c \uacf5\uaca9 \uacbd\ub85c (\ud604\uc2e4\uc801\uc778 \uc2dc\ub098\ub9ac\uc624)<\/h1>\n<h2 data-start=\"976\" data-end=\"990\">\uacf5\uaca9 \uc2dc\ub098\ub9ac\uc624 1<\/h2>\n<h3 data-start=\"991\" data-end=\"1005\">\uc18c\uaddc\ubaa8 \ud1b5\uc2e0\uc0ac \ud574\ud0b9<\/h3>\n<p data-start=\"1007\" data-end=\"1021\">\uac00\uc7a5 \ud604\uc2e4\uc801\uc778 \ubc29\ubc95\uc785\ub2c8\ub2e4.<\/p>\n<p data-start=\"1023\" data-end=\"1025\">\uad6c\uc870<\/p>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">Attacker<br>|<br>Small telecom operator<br>|<br>IPX network<br>|<br>Target telecom<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-start=\"1110\" data-end=\"1112\">\ub2e8\uacc4<\/p>\n<p data-start=\"1114\" data-end=\"1180\">1\ufe0f\u20e3 \uc791\uc740 \ud1b5\uc2e0\uc0ac \uce68\ud22c<br data-start=\"1127\" data-end=\"1130\">2\ufe0f\u20e3 SS7 \/ Diameter access \ud655\ubcf4<br data-start=\"1158\" data-end=\"1161\">3\ufe0f\u20e3 IPX \ud1b5\ud574 \ud0c0 \ud1b5\uc2e0\uc0ac \uacf5\uaca9<\/p>\n<p data-start=\"1182\" data-end=\"1201\">\uc774 \ubc29\uc2dd\uc740 \uc2e4\uc81c\ub85c \ub9ce\uc774 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<hr data-start=\"1203\" data-end=\"1206\">\n<h2 data-start=\"1208\" data-end=\"1222\">\uacf5\uaca9 \uc2dc\ub098\ub9ac\uc624 2<\/h2>\n<h3 data-start=\"1223\" data-end=\"1242\">IPX provider \uce68\ud22c<\/h3>\n<p data-start=\"1244\" data-end=\"1246\">\uad6c\uc870<\/p>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">Attacker<br>|<br>IPX Provider<br>|<br>Multiple telecom operators<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-start=\"1316\" data-end=\"1341\">IPX\ub294 \uc218\ubc31 \uac1c \ud1b5\uc2e0\uc0ac\uc640 \uc5f0\uacb0\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p data-start=\"1343\" data-end=\"1351\">\ub530\ub77c\uc11c \uce68\ud22c\ud558\uba74<\/p>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">\ub300\uaddc\ubaa8 \uacf5\uaca9 \uac00\ub2a5<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-start=\"1372\" data-end=\"1380\">\ud558\uc9c0\ub9cc \uc2e4\uc81c\ub85c\ub294<\/p>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">\ubcf4\uc548\uc774 \ub9e4\uc6b0 \uac15\ud568<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<hr data-start=\"1401\" data-end=\"1404\">\n<h2 data-start=\"1406\" data-end=\"1420\">\uacf5\uaca9 \uc2dc\ub098\ub9ac\uc624 3<\/h2>\n<h3 data-start=\"1421\" data-end=\"1446\">Signaling node \uc778\ud130\ub137 \ub178\ucd9c<\/h3>\n<p data-start=\"1448\" data-end=\"1470\">\uac00\ub054 \ud1b5\uc2e0\uc0ac \uc7a5\ube44\uac00 \uc778\ud130\ub137\uc5d0 \ub178\ucd9c\ub429\ub2c8\ub2e4.<\/p>\n<p data-start=\"1472\" data-end=\"1473\">\uc608<\/p>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">Diameter<br>GTP<br>SCTP port<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-start=\"1507\" data-end=\"1511\">\uc774 \uacbd\uc6b0<\/p>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">Internet &rarr; Core Network<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-start=\"1546\" data-end=\"1551\">\uacf5\uaca9 \uac00\ub2a5<\/p>\n<p data-start=\"1553\" data-end=\"1558\">\uc2e4\uc81c \uc0ac\ub840<\/p>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">GTP exposed PGW<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<hr data-start=\"1585\" data-end=\"1588\">\n<h2 data-start=\"1590\" data-end=\"1604\">\uacf5\uaca9 \uc2dc\ub098\ub9ac\uc624 4<\/h2>\n<h3 data-start=\"1605\" data-end=\"1618\">\ub85c\ubc0d \ud30c\ud2b8\ub108 \uc545\uc6a9<\/h3>\n<p data-start=\"1620\" data-end=\"1654\">\uc77c\ubd80 \uacf5\uaca9\uc740 <strong data-start=\"1627\" data-end=\"1645\">\ud569\ubc95\uc801\uc778 \ub85c\ubc0d \uc0ac\uc5c5\uc790 \uacc4\uc815<\/strong>\uc73c\ub85c \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/p>\n<p data-start=\"1656\" data-end=\"1657\">\uc608<\/p>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">SS7 access purchase<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-start=\"1688\" data-end=\"1689\">\uc989<\/p>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">Signaling access\ub97c \ub3c8 \uc8fc\uace0 \uad6c\ub9e4<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-start=\"1726\" data-end=\"1738\">\ud558\ub294 \uacbd\uc6b0\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<hr data-start=\"1740\" data-end=\"1743\">\n<h1 data-start=\"1745\" data-end=\"1759\">4. IPX \uacf5\uaca9 \ubc29\ubc95<\/h1>\n<p data-start=\"1761\" data-end=\"1783\">IPX\ub97c \uc9c1\uc811 \uacf5\uaca9\ud558\ub294 \uacbd\uc6b0\ub294 \ub4dc\ubb45\ub2c8\ub2e4.<\/p>\n<p data-start=\"1785\" data-end=\"1798\">\ub300\ubd80\ubd84 \uc544\ub798 \ubc29\uc2dd\uc785\ub2c8\ub2e4.<\/p>\n<hr data-start=\"1800\" data-end=\"1803\">\n<h2 data-start=\"1805\" data-end=\"1839\">1\ufe0f\u20e3 Signaling message injection<\/h2>\n<p data-start=\"1841\" data-end=\"1842\">\uc608<\/p>\n<p data-start=\"1844\" data-end=\"1850\">SS7 \uacf5\uaca9<\/p>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">SendRoutingInfo<br>ProvideSubscriberInfo<br>UpdateLocation<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-start=\"1914\" data-end=\"1925\">Diameter \uacf5\uaca9<\/p>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">User-Data-Request<br>Authentication-Information-Request<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<hr data-start=\"1989\" data-end=\"1992\">\n<h2 data-start=\"1994\" data-end=\"2021\">2\ufe0f\u20e3 GTP tunnel injection<\/h2>\n<p data-start=\"2023\" data-end=\"2024\">\uc608<\/p>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">Create Session Request<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-start=\"2058\" data-end=\"2060\">\uc704\uc870<\/p>\n<p data-start=\"2062\" data-end=\"2064\">\ubaa9\uc801<\/p>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">IP spoofing<br>Traffic interception<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<hr data-start=\"2108\" data-end=\"2111\">\n<h2 data-start=\"2113\" data-end=\"2133\">3\ufe0f\u20e3 Signaling DoS<\/h2>\n<p data-start=\"2135\" data-end=\"2136\">\uc608<\/p>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">Attach storm<br>Authentication flood<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<hr data-start=\"2181\" data-end=\"2184\">\n<h1 data-start=\"2186\" data-end=\"2199\">5. \uc2e4\uc81c \uacf5\uaca9 \uc0ac\ub840<\/h1>\n<h2 data-start=\"2201\" data-end=\"2225\">SS7 location tracking<\/h2>\n<p data-start=\"2227\" data-end=\"2231\">\uc5f0\uad6c\uae30\uad00<\/p>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">Karsten Nohl<br>Positive Technologies<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-start=\"2277\" data-end=\"2279\">\uacb0\uacfc<\/p>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">\uc804\uc138\uacc4 800\uac1c \ud1b5\uc2e0\uc0ac \uc601\ud5a5<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<hr data-start=\"2306\" data-end=\"2309\">\n<h2 data-start=\"2311\" data-end=\"2333\">2017 German Bank \uacf5\uaca9<\/h2>\n<p data-start=\"2335\" data-end=\"2340\">\uacf5\uaca9 \ud750\ub984<\/p>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">SS7 location attack<br>&darr;<br>SMS interception<br>&darr;<br>Bank OTP \ud0c8\ucde8<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<hr data-start=\"2404\" data-end=\"2407\">\n<h2 data-start=\"2409\" data-end=\"2418\">GTP \uacf5\uaca9<\/h2>\n<p data-start=\"2420\" data-end=\"2422\">\uc5f0\uad6c<\/p>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">Positive Technologies 2021<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-start=\"2460\" data-end=\"2462\">\uacb0\uacfc<\/p>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">70% \ud1b5\uc2e0\uc0ac GTP \ucde8\uc57d<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<hr data-start=\"2488\" data-end=\"2491\">\n<h1 data-start=\"2493\" data-end=\"2507\">6. \ud1b5\uc2e0\uc0ac \ubc29\uc5b4 \ubc29\ubc95<\/h1>\n<p data-start=\"2509\" data-end=\"2537\">\ud604\uc7ac \ub300\ubd80\ubd84 \ud1b5\uc2e0\uc0ac\ub294 \ub2e4\uc74c \ubcf4\uc548 \uc7a5\ube44\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n<hr data-start=\"2539\" data-end=\"2542\">\n<h3 data-start=\"2544\" data-end=\"2560\">SS7 Firewall<\/h3>\n<p data-start=\"2562\" data-end=\"2564\">\ucc28\ub2e8<\/p>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">location request<br>fake routing<br>subscriber info<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-start=\"2621\" data-end=\"2623\">\ub300\ud45c<\/p>\n<ul data-start=\"2625\" data-end=\"2648\">\n<li data-start=\"2625\" data-end=\"2631\">\n<p data-start=\"2627\" data-end=\"2631\">Enea<\/p>\n<\/li>\n<li data-start=\"2632\" data-end=\"2648\">\n<p data-start=\"2634\" data-end=\"2648\">AdaptiveMobile<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"2650\" data-end=\"2653\">\n<h3 data-start=\"2655\" data-end=\"2676\">Diameter Firewall<\/h3>\n<p data-start=\"2678\" data-end=\"2680\">\ucc28\ub2e8<\/p>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">subscriber data request<br>location query<br>policy manipulation<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<hr data-start=\"2750\" data-end=\"2753\">\n<h3 data-start=\"2755\" data-end=\"2771\">GTP Firewall<\/h3>\n<p data-start=\"2773\" data-end=\"2775\">\ucc28\ub2e8<\/p>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">tunnel injection<br>ip spoofing<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<hr data-start=\"2815\" data-end=\"2818\">\n<h3 data-start=\"2820\" data-end=\"2833\">SEPP (5G)<\/h3>\n<p data-start=\"2835\" data-end=\"2845\">5G\uc5d0\uc11c \uc0c8\ub85c \ub4f1\uc7a5<\/p>\n<p data-start=\"2847\" data-end=\"2849\">\uc5ed\ud560<\/p>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">roaming signaling encryption<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<hr data-start=\"2889\" data-end=\"2892\">\n<h1 data-start=\"2894\" data-end=\"2910\">7. \ud604\uc2e4\uc801\uc778 \uacf5\uaca9 \ub09c\uc774\ub3c4<\/h1>\n<p data-start=\"2912\" data-end=\"2922\">\uacf5\uaca9 \uacbd\ub85c\ubcc4 \ub09c\uc774\ub3c4<\/p>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"2924\" data-end=\"3029\">\n<thead data-start=\"2924\" data-end=\"2939\">\n<tr data-start=\"2924\" data-end=\"2939\">\n<th class=\"\" data-start=\"2924\" data-end=\"2932\" data-col-size=\"sm\">\uacf5\uaca9 \uacbd\ub85c<\/th>\n<th class=\"\" data-start=\"2932\" data-end=\"2939\" data-col-size=\"sm\">\ub09c\uc774\ub3c4<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"2950\" data-end=\"3029\">\n<tr data-start=\"2950\" data-end=\"2966\">\n<td data-start=\"2950\" data-end=\"2961\" data-col-size=\"sm\">\uc18c\uaddc\ubaa8 \ud1b5\uc2e0\uc0ac \uce68\ud22c<\/td>\n<td data-start=\"2961\" data-end=\"2966\" data-col-size=\"sm\">\uc911<\/td>\n<\/tr>\n<tr data-start=\"2967\" data-end=\"2992\">\n<td data-start=\"2967\" data-end=\"2983\" data-col-size=\"sm\">IPX provider \ud574\ud0b9<\/td>\n<td data-start=\"2983\" data-end=\"2992\" data-col-size=\"sm\">\ub9e4\uc6b0 \ub192\uc74c<\/td>\n<\/tr>\n<tr data-start=\"2993\" data-end=\"3009\">\n<td data-start=\"2993\" data-end=\"3003\" data-col-size=\"sm\">\ud1b5\uc2e0\uc0ac \ub0b4\ubd80 \uce68\ud22c<\/td>\n<td data-col-size=\"sm\" data-start=\"3003\" data-end=\"3009\">\ub192\uc74c<\/td>\n<\/tr>\n<tr data-start=\"3010\" data-end=\"3029\">\n<td data-start=\"3010\" data-end=\"3023\" data-col-size=\"sm\">\uc778\ud130\ub137 \ub178\ucd9c \uc7a5\ube44 \uacf5\uaca9<\/td>\n<td data-start=\"3023\" data-end=\"3029\" data-col-size=\"sm\">\ub0ae\uc74c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<hr data-start=\"3031\" data-end=\"3034\">\n<h1 data-start=\"3036\" data-end=\"3043\">\ud575\uc2ec \uc815\ub9ac<\/h1>\n<p data-start=\"3045\" data-end=\"3065\">\u2714 \uc774\ub3d9\ud1b5\uc2e0 signaling \uacf5\uaca9\uc740<\/p>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">IPX\/GRX access<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-start=\"3091\" data-end=\"3093\">\ub610\ub294<\/p>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">signaling network access<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-start=\"3129\" data-end=\"3137\">\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n<p data-start=\"3139\" data-end=\"3142\">\ud558\uc9c0\ub9cc<\/p>\n<p data-start=\"3144\" data-end=\"3168\"><strong data-start=\"3144\" data-end=\"3168\">IPX \uc790\uccb4\ub97c \ud574\ud0b9\ud558\ub294 \uacbd\uc6b0\ub294 \ub4dc\ubb3c\uace0<\/strong><\/p>\n<p data-start=\"3170\" data-end=\"3173\">\ub300\ubd80\ubd84<\/p>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">\ucde8\uc57d\ud55c \ud1b5\uc2e0\uc0ac &rarr; IPX &rarr; \ud0c0 \ud1b5\uc2e0\uc0ac \uacf5\uaca9<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-start=\"3209\" data-end=\"3219\">\uacbd\ub85c\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n<hr data-start=\"3221\" data-end=\"3224\">\n<p data-start=\"3226\" data-end=\"3259\">\ud83d\udca1 \ubcf4\uc548 \uc5d4\uc9c0\ub2c8\uc5b4 \uad00\uc810\uc5d0\uc11c \uac00\uc7a5 \uc911\uc694\ud55c \uc0ac\uc2e4 \ud558\ub098\ub97c \ub9d0\ud558\uba74<\/p>\n<blockquote data-start=\"3261\" data-end=\"3323\">\n<p data-start=\"3263\" data-end=\"3323\">\uc774\ub3d9\ud1b5\uc2e0 \uacf5\uaca9\uc758 \ud575\uc2ec\uc740 <strong data-start=\"3276\" data-end=\"3318\">IPX\uac00 \uc544\ub2c8\ub77c signaling network trust model<\/strong> \uc785\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n<p data-start=\"3325\" data-end=\"3326\">\uc989<\/p>\n<div class=\"relative w-full my-4\">\n<div class=\"\">\n<div class=\"relative\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"h-full min-h-0 min-w-0\">\n<div class=\"border border-token-border-light border-radius-3xl corner-superellipse\/1.1 rounded-3xl\">\n<div class=\"h-full w-full border-radius-3xl bg-token-bg-elevated-secondary corner-superellipse\/1.1 overflow-clip rounded-3xl lxnfua_clipPathFallback\">\n<div class=\"pointer-events-none absolute end-1.5 top-1 z-2 md:end-2 md:top-1\">&nbsp;<\/div>\n<div class=\"pt-3\">\n<div class=\"relative z-0 flex max-w-full\">\n<div id=\"code-block-viewer\" class=\"q9tKkq_viewer cm-editor z-10 light:cm-light dark:cm-light flex h-full w-full flex-col items-stretch \u037c5 \u037cj\" dir=\"ltr\">\n<div class=\"cm-scroller\">\n<div class=\"cm-content q9tKkq_readonly\">\ud1b5\uc2e0\uc0ac = \uc11c\ub85c \uc2e0\ub8b0<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"\">\n<div class=\"\">&nbsp;<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-start=\"3349\" data-end=\"3372\">\ub77c\ub294 \uc124\uacc4 \uc790\uccb4\uac00 \uacf5\uaca9\uc758 \uadfc\ubcf8 \uc6d0\uc778\uc785\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>SS7 \uacf5\uaca9 \uad6c\uc870 (\uac00\uc7a5 \uc720\uba85\ud55c \ud1b5\uc2e0\ub9dd \uacf5\uaca9) SS7\uc740 \uc2e0\ub8b0 \uae30\ubc18 \ub124\ud2b8\uc6cc\ud06c\ub85c \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc989 &nbsp; \ud1b5\uc2e0\uc0ac \uac04 \uc2e0\ub8b0 &nbsp; \uac00\uc815\uc774 \uc874\uc7ac\ud569\ub2c8\ub2e4. \uc774\uac83\uc774 \uacf5\uaca9\uc758 \ud575\uc2ec\uc785\ub2c8\ub2e4. SS7 \uacf5\uaca9 \uc608\uc2dc 1\ufe0f\u20e3 \uc704\uce58 \ucd94\uc801 \uacf5\uaca9\uc790\uac00 &nbsp; ProvideSubscriberInfo &nbsp; \uba54\uc2dc\uc9c0 \uc804\uc1a1 &nbsp; Attacker|SS7 Network|HLR|MSC\/VLR &nbsp; \uacb0\uacfc &nbsp; \ud604\uc7ac \uae30\uc9c0\uad6d \uc704\uce58 \ubc18\ud658 &nbsp; &rarr; \uc0ac\uc6a9\uc790 \uc704\uce58 \ucd94\uc801 \uac00\ub2a5 2\ufe0f\u20e3 SMS \uac00\ub85c\ucc44\uae30 &nbsp; [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[94],"tags":[],"class_list":["post-8931","post","type-post","status-publish","format-standard","hentry","category-mobile-network"],"_links":{"self":[{"href":"https:\/\/hasu0707.duckdns.org\/blog\/index.php?rest_route=\/wp\/v2\/posts\/8931","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hasu0707.duckdns.org\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hasu0707.duckdns.org\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hasu0707.duckdns.org\/blog\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/hasu0707.duckdns.org\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=8931"}],"version-history":[{"count":0,"href":"https:\/\/hasu0707.duckdns.org\/blog\/index.php?rest_route=\/wp\/v2\/posts\/8931\/revisions"}],"wp:attachment":[{"href":"https:\/\/hasu0707.duckdns.org\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=8931"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hasu0707.duckdns.org\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=8931"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hasu0707.duckdns.org\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=8931"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}