https://peertube.eqver.se/videos/watch/a4070a22-9654-4958-9161-2bd78f94f84d A DEF CON 30 talk about vulnerabilities in Microsoft Teams’ Direct Routing feature, which allows organizations to integrate their own telephony infrastructure via SIP providers and certified Session Border Controllers. During a security analysis of this integration, the researcher discovered several flaws that allow an external unauthenticated attacker to perform toll fraud — abusing the infrastructure to place paid calls. The talk breaks down the vulnerabilities, their practical exploitation, and how the vendor ultimately addressed the issue. Fri, 24 Jul 2026 11:34:44 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://peertube.eqver.se https://peertube.eqver.se/client/assets/images/icons/icon-512x512.png https://peertube.eqver.se/videos/watch/a4070a22-9654-4958-9161-2bd78f94f84d All rights reserved, unless otherwise specified in the terms specified at https://peertube.eqver.se/about and potential licenses granted by each content's rightholder.