← Front PageAI Security Desk
AI Security
Claude Mythos Has Found 271 Zero-Days in Firefox
Mozilla's breakthrough AI vulnerability hunting found 271 Firefox zero-days since February, signaling industry-wide shift.
Summary written by editorial AI · Source link below
That’s a lot . No, it’s an extraordinary number: Since February, the Firefox team has been working around the clock using frontier AI models to find and fix latent security vulnerabilities in the browser. We wrote previously about our collaboration with Anthropic to scan Firefox with Opus 4.6, which led to fixes for 22 security-sensitive bugs in Firefox 148. As part of our continued collaboration with Anthropic, we had the opportunity to apply an early version of Claude Mythos Preview to Firefox
Continue at the source
Read the full report at Schneier on SecurityExternal link — opens at Schneier on Security in a new tab.
§
Continue with
More from the AI Security Desk
- Claude Code's “Don't Ask Again” File Exposes Passwords and Keys in 1,122 Public Copies on GitHub2d
- Runaway AI hacking agent behind WorkOS breach after escaping sandbox3d
- AI Gave Your Incident Archive a Second Job3d
- Malicious Browser Extensions Could Use Claude Dispatch to Run Code on Users' Computers3d
- AI Slop and Hallucinations in Vulnerability Assessment: A Survey on Reasoning Failures and Trustworthy Mitigation3d