{"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":"menaces-de-base-du-ss7","status":"publish","type":"post","link":"https:\/\/sms-txt.net\/fr\/ss7-sms\/menaces-de-base-du-ss7\/","title":{"rendered":"Menaces SS7 de base"},"content":{"rendered":"<h2>Nous mettons l'accent sur les dangers que peuvent pr\u00e9senter les personnes qui exploitent les failles de s\u00e9curit\u00e9 des r\u00e9seaux mobiles :<\/h2>\n<ul>\n<li>Divulgation d'informations sur les abonn\u00e9s<\/li>\n<li>Divulgation d'informations sur les r\u00e9seaux<\/li>\n<li>Interception du trafic de l'abonn\u00e9<\/li>\n<li>Fraude<\/li>\n<li>Refus de service<\/li>\n<\/ul>\n<p>Presque tous les risques enregistr\u00e9s se traduisent par des probl\u00e8mes de r\u00e9putation et des difficult\u00e9s \u00e9conomiques pour l'op\u00e9rateur. La fraude, l'interception des visiteurs et le d\u00e9ni de service affectent imm\u00e9diatement les abonn\u00e9s et peuvent entra\u00eener une baisse des recettes fiscales, une rupture de la solitude et une perturbation de l'accessibilit\u00e9. La divulgation d'informations sur les abonn\u00e9s entra\u00eene la congestion de l'IMSI, la divulgation d'autres informations ou d'informations sur le site, comme des informations sur le profil ou le solde. La divulgation d'informations sur le r\u00e9seau se traduit par l'encombrement des statistiques de configuration du r\u00e9seau SS7.<\/p>\n<p>Des proc\u00e9dures particuli\u00e8res d'interception du trafic de l'abonn\u00e9 permettent \u00e0 une personne d'intercepter ou de d\u00e9tourner des messages SMS individuels. Les frappes frauduleuses peuvent \u00eatre effectu\u00e9es \u00e0 l'encontre de chaque op\u00e9rateur et de chaque abonn\u00e9. Chaque fois qu'un accord de co\u00fbt est modifi\u00e9 par un intrus ou qu'il red\u00e9marre le syst\u00e8me de facturation, cela va causer des dommages. Le transfert de fonds depuis les comptes des abonn\u00e9s et la redirection des appels ou la mise \u00e0 jour d'un abonnement payant porteront pr\u00e9judice aux abonn\u00e9s. Nous pensons qu'un d\u00e9ni de service de la part des abonn\u00e9s est tout simplement possible, car les op\u00e9rateurs peuvent laisser filtrer des \u00e9l\u00e9ments du r\u00e9seau qui entra\u00eenent un dysfonctionnement du r\u00e9seau mobile. Les dysfonctionnements dispara\u00eetront si les intrus poss\u00e8dent une base d'abonn\u00e9s ou peut-\u00eatre m\u00eame les outils n\u00e9cessaires pour forcer brutalement les IMSI. Le degr\u00e9 de connaissance des op\u00e9rateurs en mati\u00e8re de stabilit\u00e9 SS7 ne cesse de cro\u00eetre, et c'est la raison pour laquelle ils ont commenc\u00e9 \u00e0 mettre en \u0153uvre des m\u00e9thodes de s\u00e9curit\u00e9. En 2015, chaque r\u00e9seau \u00e9tait plus expos\u00e9 \u00e0 tous les types de risques. Cependant, au cours des deux derni\u00e8res d\u00e9cennies, des tendances se sont dessin\u00e9es dans le domaine de la protection des r\u00e9seaux.<\/p>\n<p>&nbsp;<\/p>\n<p>Les risques de congestion des r\u00e9seaux, de fraude et d'interception du trafic des abonn\u00e9s ont diminu\u00e9. Chaque r\u00e9seau a \u00e9t\u00e9 sujet \u00e0 des vuln\u00e9rabilit\u00e9s qui permettent l'utilisation d'informations concernant les abonn\u00e9s ou m\u00eame le d\u00e9ni de service. Voici une liste d'attaques puissantes men\u00e9es tout au long de l'enqu\u00eate de s\u00e9curit\u00e9 par nos professionnels.<\/p>\n<p>&nbsp;<\/p>\n<p>Comme le montre ce montant, les op\u00e9rateurs donnent la priorit\u00e9 aux mesures qui r\u00e9duisent la possibilit\u00e9 de divulgation d'informations sur le r\u00e9seau et les abonn\u00e9s, car ces statistiques pourraient servir de base \u00e0 plusieurs attaques, voire plus. Par rapport \u00e0 la s\u00e9rie d'attaques de 2015, les attaques visant \u00e0 divulguer des informations sur les r\u00e9seaux ont presque tripl\u00e9. En ce qui concerne les attaques visant les informations sur les abonn\u00e9s, il n'est pas si difficile de s'en pr\u00e9munir. Il n'est pas si difficile de se pr\u00e9munir contre ces attaques, et le march\u00e9 de la protection de l'information offre une protection.<\/p>\n<p>Les options. Cent pour cent de tous les r\u00e9seaux y sont expos\u00e9s, ce qui montre l'inefficacit\u00e9 des options.<\/p>\n<p>Le nombre d'attaques qui r\u00e9ussissent \u00e0 utiliser diff\u00e9rents types de dangers est tr\u00e8s faible. La raison principale est que l'ex\u00e9cution des visiteurs cibl\u00e9s ne peut pas compenser les d\u00e9fauts de conception du SS7. Pour les r\u00e9duire, il est n\u00e9cessaire d'adopter une tactique.<\/p>\n<p>&nbsp;<\/p>\n<h2>Conclusion :<\/h2>\n<p>Les \u00e9tudes ont d\u00e9montr\u00e9 que le niveau de s\u00e9curit\u00e9 des r\u00e9seaux de communication mobile reste assez faible. La plupart des r\u00e9seaux restent expos\u00e9s, ce qui permet aux d\u00e9linquants d'intercepter les messages vocaux et les appels des abonn\u00e9s, d'effectuer des proc\u00e9dures frauduleuses et d'interrompre l'accessibilit\u00e9 des agences telles que les abonn\u00e9s.<\/p>\n<p>Les intrus sont tr\u00e8s attentifs aux vuln\u00e9rabilit\u00e9s actuelles et nous avons vu les cons\u00e9quences de leurs attaques, comme l'illustre l'\u00e9pisode r\u00e9cent qui a touch\u00e9 les abonn\u00e9s d'un repr\u00e9sentant allemand des t\u00e9l\u00e9communications et qui a entra\u00een\u00e9 un vol d'argent sur les comptes bancaires. Compte tenu du niveau d'activit\u00e9, il est possible que des cas similaires se produisent dans un avenir proche.<\/p>","protected":false},"excerpt":{"rendered":"<p>Nous mettons l'accent sur les dangers susceptibles d'\u00eatre introduits par des personnes exploitant les failles de s\u00e9curit\u00e9 des r\u00e9seaux mobiles : Divulgation d'informations sur l'abonn\u00e9 Divulgation d'informations sur le r\u00e9seau Interception du trafic de l'abonn\u00e9 Fraude D\u00e9ni de service Presque tous les dangers enregistr\u00e9s entra\u00eenent des probl\u00e8mes de r\u00e9putation et des difficult\u00e9s \u00e9conomiques pour l'op\u00e9rateur. La fraude, l'interception des visiteurs et le d\u00e9ni de service affectent imm\u00e9diatement les abonn\u00e9s et peuvent...<\/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\/fr\/ss7-sms\/menaces-de-base-du-ss7\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\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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