{"id":451,"date":"2024-03-27T07:16:01","date_gmt":"2024-03-27T04:16:01","guid":{"rendered":"https:\/\/sms-txt.net\/?p=451"},"modified":"2024-09-05T12:46:16","modified_gmt":"2024-09-05T09:46:16","slug":"grundlaeggende-ss7-trusler","status":"publish","type":"post","link":"https:\/\/sms-txt.net\/da\/ss7-sms\/grundlaeggende-ss7-trusler\/","title":{"rendered":"Grundl\u00e6ggende SS7-trusler"},"content":{"rendered":"<h2>Vi understreger disse farer, der kan introduceres af folk, der udnytter sikkerhedsfejl i mobilnetv\u00e6rk:<\/h2>\n<ul>\n<li>Offentligg\u00f8relse af abonnentoplysninger<\/li>\n<li>Offentligg\u00f8relse af netv\u00e6rksoplysninger<\/li>\n<li>Aflytning af abonnenttrafik<\/li>\n<li>Bedrageri<\/li>\n<li>N\u00e6gtelse af tjeneste<\/li>\n<\/ul>\n<p>N\u00e6sten alle registrerede farer afspejler omd\u00f8mme og \u00f8konomiske udfordringer for operat\u00f8ren. Svindel, aflytning af bes\u00f8gende og denial of service p\u00e5virker abonnenterne \u00f8jeblikkeligt og kan for\u00e5rsage finanspolitiske fald, brud p\u00e5 ensomhed og tilg\u00e6ngelighedsforstyrrelser. Videregivelse af abonnentoplysninger indeb\u00e6rer overbelastning af IMSI, videregivelse af alternativ eller webstedsinformation, som profilinformation eller balance. Offentligg\u00f8relse af netv\u00e6rksoplysninger er fuld af overbelastning af SS7-netv\u00e6rksops\u00e6tningsstatistikker.<\/p>\n<p>S\u00e6rlige procedurer for aflytning af abonnenttrafik g\u00f8r det muligt for en person enten at aflytte eller omdirigere udgivelses- og oprindelses-sms'er og ringe til individuelle sms'er. Svindelangreb kan udf\u00f8res i strid med hver operat\u00f8r og abonnent. N\u00e5r en omkostningsordning \u00e6ndres af en ubuden g\u00e6st eller genstarter opladningssystemet, vil det for\u00e5rsage skade. Hvis man flytter penge fra abonnenternes konti og omdirigerer opkald eller opdaterer til et betalt abonnement, vil det skade abonnenterne. Vi mener, at en denial of service fra abonnenter bare, som operat\u00f8rer kan lade screening af netv\u00e6rk ting, der resulterer i mobilnetv\u00e6rk mal-funktion. Fejlfunktion vil spredes, hvis ubudne g\u00e6ster har et abonnentgrundlag eller m\u00e5ske endda v\u00e6rkt\u00f8jerne til at brute-force IMSI'er. Operat\u00f8rernes viden om SS7-stabilitet bliver stadig st\u00f8rre, og det er grunden til, at de er begyndt at udf\u00f8re sikkerhedsmetoder. Tilbage i 2015 var hvert eneste netv\u00e6rk mere udsat for hver eneste form for fare. Men i de sidste par \u00e5rtier er der fundet tendenser inden for netv\u00e6rksbeskyttelse.<\/p>\n<p>&nbsp;<\/p>\n<p>Muligheden for overbelastning af netv\u00e6rksinformation, svindel og aflytning af abonnenttrafik er faldet. Alle netv\u00e6rk har v\u00e6ret udsat for s\u00e5rbarheder, der g\u00f8r det muligt at bruge oplysninger om abonnenter eller endda afvise tjenester. Her er en liste over kraftige angreb, som vores eksperter har udf\u00f8rt i forbindelse med sikkerhedsunders\u00f8gelser.<\/p>\n<p>&nbsp;<\/p>\n<p>Som det fremg\u00e5r af dette tal, prioriterer operat\u00f8rerne tiltag, der mindsker muligheden for afsl\u00f8ring af netv\u00e6rks- og abonnentoplysninger, da disse statistikker vil v\u00e6re grundlaget for flere eller endnu flere angreb. Sammenlignet med antallet af angreb i 2015, der var rettet mod afsl\u00f8ring af netv\u00e6rksoplysninger, faldt antallet n\u00e6sten tre gange. Med hensyn til angreb p\u00e5 abonnentoplysninger. Det er ikke s\u00e5 sv\u00e6rt at beskytte sig mod disse angreb, og markedet for informationsbeskyttelse giver ogs\u00e5 beskyttelse<\/p>\n<p>Optioner. Hundrede procent af alle netv\u00e6rk har en tendens til at v\u00e6re udsat for disse, og det peger p\u00e5 ineffektiviteten af optioner.<\/p>\n<p>Antallet af angreb, der har succes med at udnytte forskellige former for farer, skifter ubetydeligt. Hoved\u00e5rsagen er, at udf\u00f8relsen af m\u00e5lrettede bes\u00f8gende finder det umuligt at kompensere for SS7-designfejl. For at reducere dem kr\u00e6ves taktikken.<\/p>\n<p>&nbsp;<\/p>\n<h2>Konklusion:<\/h2>\n<p>Unders\u00f8gelserne har vist, at niveauet for sikre mobilkommunikationsnetv\u00e6rk fortsat er ret lavt. De fleste netv\u00e6rk er fortsat s\u00e5rbare, hvilket g\u00f8r det muligt for kriminelle at opsnappe abonnenternes talebeskeder og opkald, udf\u00f8re bedrageriske procedurer og ogs\u00e5 afbryde agenturets tilg\u00e6ngelighed s\u00e5som abonnenter.<\/p>\n<p>De ubudne g\u00e6ster er meget opm\u00e6rksomme p\u00e5 de nuv\u00e6rende s\u00e5rbarheder, og vi har set konsekvenserne af deres angreb, som illustreret af den moderne episode, der p\u00e5virkede abonnenter hos en tysk telekommunikationsrepr\u00e6sentant, som for\u00e5rsagede pengetyveri fra bankindest\u00e5ender. I betragtning af aktivitetsniveauet kan vi f\u00e5 lignende sager, der er nye i en overskuelig fremtid.<\/p>","protected":false},"excerpt":{"rendered":"<p>Vi understreger disse farer, der kan introduceres af folk, der udnytter sikkerhedsfejl i mobilnetv\u00e6rk: Afsl\u00f8ring af abonnentoplysninger Afsl\u00f8ring af netv\u00e6rksoplysninger Aflytning af abonnenttrafik Svindel Afslag p\u00e5 tjenester N\u00e6sten alle registrerede farer afspejler omd\u00f8mme og \u00f8konomiske udfordringer for operat\u00f8ren. Svindel, aflytning af bes\u00f8gende og denial of service p\u00e5virker abonnenterne med det samme og kan for\u00e5rsage...<\/p>","protected":false},"author":1,"featured_media":1739,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[68,70,69,1],"tags":[],"class_list":["post-451","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-call-interception","category-location-tracking","category-sms-intercept","category-ss7-sms"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.7 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Basic SS7 threats<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/sms-txt.net\/da\/ss7-sms\/grundlaeggende-ss7-trusler\/\" \/>\n<meta property=\"og:locale\" content=\"da_DK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Basic SS7 threats\" \/>\n<meta property=\"og:description\" content=\"We emphasize These dangers That May Be introduced by people exploiting security defects in mobile networks: Subscriber information disclosure Network information disclosure Subscriber traffic interception Fraud Denial of service Just about every recorded hazard reflects reputation and economic challenges for its operator. 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