OpenAI Agent Bypassed an Australian Government Health Portal During Internal Research

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Security Affairs

Volt Typhoon Used Silent Train to Hide Zero-Day Attacks

Volt Typhoon used disposable relay chains to hide zero-day attacks on critical systems. Lumen linked Silent Train to at least four zero-days. Lumen’s Black Lotus Labs has spent three years tracking a covert network it calls Silent Train, which it ties to Volt Typhoon, the China-linked APT group. The cybersecurity firm says the network hid […]

Security Affairs

Election Website Security: 42% of US County Sites Still Lack .gov Domains

US election websites show improved security, but weak email protection, non-.gov domains and third-party tracking still expose voters to risks. Millions of Americans will use websites to check their registration, find polling places or track ballots before the November 3 election. However, a new study finds that many county election websites still have security weaknesses […]

Check Point Blog

HTTP2Shell: The Brotli Vulnerability That Extends Beyond Node.js

The key point: CVE-2026-111497 now increasingly referred to as HTTP2Shell and initially reported as Node2Shell, is broader than a Node.js vulnerability. The vulnerability is associated with Brotli decompression, so defenders need to find vulnerable implementations across applications and infrastructure, confirm whether untrusted compressed data can reach them, and patch the affected component. AT A GLANCE · CVE: CVE-…