threat-intel CDN Tsunami Attack Abuses HTTP/3 Translation for Up to 350x DoS Amplification Researchers have uncovered two denial-of-service (DoS) attacks exploiting how Content Delivery Networks (CDNs) handle HTTP/3 traffic, leading to significant amplification of requests and causing severe performance issues for origin servers. The attacks, dubbed ‘CDN Tsunami,’ leverage a mismatch between CDN-supported HT… The Hacker News · Aug 20, 2026 High CVE-2026-14456CHSIcdnddoshttp3
threat-intel Russia claims foreign spy agencies hacked officials' phones Russia's FSB has accused foreign intelligence agencies of conducting a large-scale espionage operation targeting senior Russian officials through the use of malware installed on their mobile devices. The agency alleges t… The Record · Jun 2, 2026 High RUUNEUespionagesurveillanceforeign interference
threat-intel Content Delivery Exploit Opens Websites to Brand Hijacking This article details a new exploit, dubbed "Underminr," that leverages vulnerabilities in Internet infrastructure to allow attackers to hijack websites and conceal malicious activity. The technique, a successor to domain… Dark Reading · May 21, 2026 High USEUCNcdndnsdomain fronting
