{"id":3258,"date":"2024-07-18T10:20:36","date_gmt":"2024-07-18T08:20:36","guid":{"rendered":"https:\/\/www.tec4net.com\/web\/?p=3258"},"modified":"2024-07-15T20:04:18","modified_gmt":"2024-07-15T18:04:18","slug":"30710","status":"publish","type":"post","link":"https:\/\/www.tec4net.com\/web\/2024\/07\/18\/30710\/","title":{"rendered":"Chaos Computer Club warnt vor Zwei-Faktor-Authentifizierung per SMS"},"content":{"rendered":"<div class=\"group\/conversation-turn relative flex w-full min-w-0 flex-col agent-turn\">\n<div class=\"flex-col gap-1 md:gap-3\">\n<div class=\"flex flex-grow flex-col max-w-full\">\n<div class=\"min-h-[20px] text-message flex flex-col items-start whitespace-pre-wrap break-words [.text-message+&amp;]:mt-5 juice:w-full juice:items-end overflow-x-auto gap-2\" dir=\"auto\" data-message-author-role=\"assistant\" data-message-id=\"54cfb3bc-da29-4835-8526-bca3b29ff18b\">\n<div class=\"flex w-full flex-col gap-1 juice:empty:hidden juice:first:pt-[3px]\">\n<div class=\"markdown prose w-full break-words dark:prose-invert light\">\n<p>Der Chaos Computer Club (CCC) r\u00e4t von der Nutzung von Zwei-Faktor-Authentifizierung (2FA) per SMS ab und weist auf erhebliche Sicherheitsrisiken hin. Angreifer k\u00f6nnen durch SIM-Swapping oder Schwachstellen im SS7-Netzwerk SMS-Nachrichten abfangen und damit 2FA-Codes ausspionieren.<\/p>\n<p>Ein aktueller Bericht des CCC zeigt, dass der SMS-Dienstleister IdentifyMobile fast 200 Millionen 2FA-Codes \u00f6ffentlich zug\u00e4nglich gemacht hat, was auf grobe Fahrl\u00e4ssigkeit hinweist. Gro\u00dfe Unternehmen wie Amazon, DHL und Facebook nutzen diesen Dienstleister. Um Accounts besser zu sch\u00fctzen, empfiehlt der CCC die Verwendung von Authentifizierungs-Apps wie Google Authenticator oder Passkeys anstelle von SMS f\u00fcr 2FA-Codes.<\/p>\n<p>Quelle:<br \/>\n<a href=\"https:\/\/www.heise.de\/news\/Chaos-Computer-Club-Nutzt-2-Faktor-Authentifizierung-aber-bitte-nicht-via-SMS-9798159.html\">https:\/\/www.heise.de\/news\/Chaos-Computer-Club-Nutzt-2-Faktor-Authentifizierung-aber-bitte-nicht-via-SMS-9798159.html<\/a><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Wir sind Experten f\u00fcr Datenschutz und IT-Sicherheit<\/strong><\/p>\n<p>Profitieren Sie von unserer umfassenden Beratung zu den Themen Datenschutz und IT-Sicherheit. Unser erfahrenes Team unterst\u00fctzt Sie dabei, Ihre Website und digitalen Dienste datenschutzkonform zu gestalten um die gesetzlichen Vorgaben zu erf\u00fcllen.<\/p>\n<p>Kontaktieren Sie uns noch heute und sichern Sie sich praxisnahe Beratung zur Umsetzung der DSGVO und Normen wie ISO 27001, PCI-DSS oder TISAX.<\/p>\n<p><strong>Datenschutz und IT-Sicherheit praktikabel umsetzen &#8211; tec4net GmbH<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Der Chaos Computer Club (CCC) r\u00e4t von der Nutzung von Zwei-Faktor-Authentifizierung (2FA) per SMS ab und weist auf erhebliche Sicherheitsrisiken hin. Angreifer k\u00f6nnen durch SIM-Swapping oder Schwachstellen im SS7-Netzwerk SMS-Nachrichten abfangen und damit 2FA-Codes ausspionieren. Ein aktueller Bericht des CCC zeigt, dass der SMS-Dienstleister IdentifyMobile fast 200 Millionen 2FA-Codes \u00f6ffentlich [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[692,687,689,691,690,688,446],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Chaos Computer Club warnt vor Zwei-Faktor-Authentifizierung per SMS - tec4net<\/title>\n<meta name=\"description\" content=\"Unsere IT-Experten beraten Sie im Bereich Consulting, IT-Security und Datenschutz in M\u00fcnchen | tec4net GmbH - seit 2003\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.tec4net.com\/web\/2024\/07\/18\/30710\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Chaos Computer Club warnt vor Zwei-Faktor-Authentifizierung per SMS - 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