Defcon's new badge is a security key you can see inside

Ars Technica security headlines report active exploitation of critical Microsoft Exchange and Windows vulnerabilities, Secure Boot bypasses, Linux guest VM escapes, router targeting by Russian state actors, ransomware, ClickFix social engineering, and emerging AI-agent abuse. The feed also covers AI-assisted attacks against real organizations, software supply-chain concerns, botnet assembly through hallucinating AI tools, and cryptographic weaknesses in a post-quantum candidate. Several items describe zero-days or actively exploited flaws with potential for persistent access, privilege gain, U