{"id":388,"date":"2024-02-08T05:09:18","date_gmt":"2024-02-08T02:09:18","guid":{"rendered":"https:\/\/sms-txt.net\/?p=388"},"modified":"2024-09-05T12:45:43","modified_gmt":"2024-09-05T09:45:43","slug":"hvordan-hackere-udnytter-ss7","status":"publish","type":"post","link":"https:\/\/sms-txt.net\/da\/ss7-sms\/hvordan-hackere-udnytter-ss7\/","title":{"rendered":"Hvordan udnytter hackere SS7?"},"content":{"rendered":"

Denne \u00e6ra betragtes som mobilbrugets \u00e6ra. Hver eneste person er involveret i overdreven brug af mobiltelefonen. Mobilbrug er blevet en afh\u00e6ngighed for alle mennesker. Fra b\u00f8rn til professionelle, alle har disse gadgets i deres lommer.<\/p>\n

Cyberangreb over mobiltelefoner blev mere almindelige med ankomsten af 5G-teknologi. Der er ingen tvivl om, at verdens telekommunikationssystem giver folk de bedste internettjenester. Disse faciliteter g\u00f8r ikke kun livet lettere for folk. Men det p\u00e5virker ogs\u00e5 sikkerheden for f\u00f8lsomme data p\u00e5 mobiltelefoner. Da hackere ikke er interesserede i alle oplysninger som f.eks. musikhistorien. Men de angriber udelukkende dine f\u00f8lsomme oplysninger.<\/p>\n

Hvad er SS7, og hvordan kan det bruges af hackere?<\/h2>\n

Introduktionen af avancerede hackingteknikker sammen med ny software g\u00f8r hacking lettere og mere kompetent. Folk er nu i stand til at udf\u00f8re enhver opgave over internettet p\u00e5 en dygtig m\u00e5de. Men det har ogs\u00e5 en negativ indvirkning p\u00e5 datasikkerheden. I 2019 steg procentdelen af malwareangreb til 50%, som det er bevist af eksperter. I slutningen af 2020 kan cyberangrebene stige til h\u00f8jere tal.<\/p>\n

I l\u00f8bet af de sidste par \u00e5r er mobilnetv\u00e6rk mest fremtr\u00e6dende blevet angrebet af SS7<\/a> protokol. Det har ikke kun en negativ indvirkning p\u00e5 brugernes privatliv, men ogs\u00e5 p\u00e5 tjenesteudbyderens. SS7 blev introduceret i 1974 som et forbindelsesled mellem forskellige mobile enheder. SS7 hj\u00e6lper med at overf\u00f8re sms'er og opkald fra en mobil enhed til en anden. Selvom form\u00e5let med opfindelsen var anderledes. Men nu bliver det udnyttet i cyberangreb.<\/p>\n

Oftest er hackernes m\u00e5l at kompromittere hele netv\u00e6rket. De f\u00e5r fat i alle oplysninger om tjenesteudbydernes abonnenter. N\u00e5r de f\u00f8rst har f\u00e5et adgang til tjenesteudbydernes oplysninger, kan de sikkert f\u00e5 adgang til alle abonnenters personlige oplysninger. P\u00e5 den m\u00e5de f\u00e5r de kontrol over alle opkald og beskeder. Desuden kan de spore den \u00f8nskede persons placering, selv n\u00e5r hans GPS er slukket. Hele processen foreg\u00e5r p\u00e5 en s\u00e5 sikker m\u00e5de, at tjenesteudbyderen ikke f\u00e5r nogen sikkerhedsadvarsler.<\/p>\n

SS7-protokollen faciliterer hele verdens ineffektive kommunikation. Mobilbrugere nyder godt af effektiv kommunikation over hele verden. Indf\u00f8relsen af denne protokol har flere ulemper. Det g\u00f8r folks personlige oplysninger mere udsatte for cyberangreb.<\/p>\n

Protokollen har ikke f\u00e5et nogen opdateret version, siden den blev opfundet. Det er grunden til, at den nemt kan bruges i hackingverdenen. Verdens st\u00f8rste efterretningstjenester bruger ogs\u00e5 denne protokol til at f\u00e5 de n\u00f8dvendige oplysninger p\u00e5 lovlig vis. Desv\u00e6rre kan alle disse oplysninger ogs\u00e5 let tilg\u00e5s af hackere.<\/p>\n

Der findes s\u00e6rlige telefoni-signaleringsprotokoller i SS7. Denne signaleringsprotokol er ansvarlig for at forbinde telefonopkald fra en mobil til en anden. Protokollen fungerer godt til b\u00e5de tr\u00e5dl\u00f8se og kablede offentlige telefoner.<\/p>\n

Hvem er ber\u00f8rt af SS7-s\u00e5rbarheden?<\/h2>\n

Med tiden blev der tilf\u00f8jet flere applikationer via SS7-protokollen. Det grundl\u00e6ggende form\u00e5l med dette var indf\u00f8relsen af SMS-tjenester. Efterfulgt af indf\u00f8relsen af viderestilling af opkald, ventende opkald, konferenceopkald osv. Med introduktionen af alle disse nye apps bliver mobile enheder udsat for hyppig hacking. SS7-angreb er malware-angreb p\u00e5 mobile enheder.<\/p>\n

Hackere f\u00e5r adgang til personlige telefonopkald og beskeder fra m\u00e5lenhederne. Hyppigere angreb sker via mobiltjenesteudbydere for at f\u00e5 nem adgang til alle brugere. Angreb via udnyttelse af SS7 sker mod telefonkommunikation, ikke over wifi-kommunikation.<\/p>\n

SS7's autentiske funktioner bruges af hackere til at f\u00e5 oplysninger om al kommunikation. Hackere skal downloade SS7 SDK fra internettet for at kunne bruge SS7 til hacking. Derefter bruger de SS7 SDK p\u00e5 en meget teknisk m\u00e5de for at opn\u00e5 vellykket hacking.<\/p>\n

Det hj\u00e6lper hackeren med at f\u00e5 forbindelse til SS7-netv\u00e6rket. N\u00e5r de har oprettet forbindelse, g\u00e5r de ind p\u00e5 m\u00e5lnetv\u00e6rket. M\u00e5lenheden er ikke i stand til at opdage dette. Da enheden opfatter den som en MSC- eller VLR-node.
\nDen st\u00f8rste aktivitet, som en hacker udf\u00f8rer for overhovedet at f\u00e5 adgang til de mest sikrede enheder, er 'MitM phishing'-angrebet. Efter dette angreb g\u00e5r han videre for at f\u00e5 fat i de \u00f8nskede oplysninger. Hackeren f\u00e5r derefter alle SMS- og opkaldsoplysninger og sporer m\u00e5lpersonens n\u00f8jagtige placering.<\/p>\n

De fleste bruger 2FA som beskyttelse mod malwareangreb p\u00e5 SS7. Men denne beskyttelsesmetode hos mobiludbyderne er ikke god nok. Som i denne type scenarier overkommer hackere det ved at bruge koderne via aflytning. De bruger koder til at f\u00e5 adgang til et stort antal konti, selv bankens.<\/p>\n

Digitale virksomheder er nu udsat for st\u00f8rre risiko. Hackere bruger alle digitale virksomheders personlige oplysninger. De g\u00f8r alt dette sikkert med 'MitM phishing'-angrebet. Digitale virksomheder er afh\u00e6ngige af SS7 til at gennemf\u00f8re deres kommunikation.<\/p>\n

Digitale virksomheder sender deres vigtige professionelle filer, som alle nemt kan tilg\u00e5s af hackere. Et stort antal enheder i den digitale \u00e6ra bruger mobile enheder til at overf\u00f8re vigtige professionelle data. Digitale virksomheder risikerer at blive udsat for flere cyberangreb. Men de er ikke opm\u00e6rksomme p\u00e5 at overvinde disse angreb. Dette problem b\u00f8r tages alvorligt af disse virksomheder.<\/p>","protected":false},"excerpt":{"rendered":"

Denne \u00e6ra betragtes som mobilbrugets \u00e6ra. Hver eneste person er involveret i overdreven brug af mobiltelefonen. Mobilbrug er blevet en afh\u00e6ngighed for alle mennesker. Fra b\u00f8rn til professionelle, alle har disse gadgets i deres lommer. Cyberangreb over mobiler blev mere almindelige med ankomsten af 5G...<\/p>","protected":false},"author":1,"featured_media":401,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-388","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ss7-sms"],"yoast_head":"\nHow Hackers Are Exploiting SS7?<\/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\/hvordan-hackere-udnytter-ss7\/\" \/>\n<meta property=\"og:locale\" content=\"da_DK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How Hackers Are Exploiting SS7?\" \/>\n<meta property=\"og:description\" content=\"This era is considered as the era of mobile use. 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