Key Findings Project Glasswing, Anthropic's month-old initiative using Claude Mythos AI, uncovered over 10,000 high or critical-severity vulnerabilities in systemically important software Partner bug discovery rates increased more than tenfold, with Cloudflare identifying 2,000 bugs across critical systems Independent security evaluations confirmed over 90% validity of flagged vulnerabilities, with over 62% confirmed as high or critical severity A critical certificate forgery