ToolsThe story, in brief
Mozilla boasts Mythos boosted Firefox bug cull - The Register
271 vulnerabilities. Zero false positives. Mozilla just deployed Anthropic's Claude Mythos to audit Firefox—and found a 20-year-old bug nobody caught.
The KeyNews take
Why it matters
Claude Mythos Preview is moving beyond benchmarks into real-world security audits at scale. Mozilla's deployment shows LLMs are now practical tools for enterprise vulnerability discovery, not just research experiments.
The key facts
5 to know271 vulnerabilities identified by Claude Mythos Preview in Firefox
"Almost no false positives" reported by Mozilla
One vulnerability discovered that had existed for 20 years
423 total security vulnerabilities patched in Firefox April release
Partnership between Anthropic (Mythos) and Mozilla demonstrates production AI deployment
Go to the source
Reuters Technologynews.google.com
Publisher excerpt: Mozilla boasts Mythos boosted Firefox bug cull The Register How Anthropic’s Mythos has rewritten Firefox’s approach to cybersecurity TechCrunch Mozilla says 271 vulnerabilities found by Mythos have "almost no false positives" Ars Technica A company tested Claude Mythos Preview. It says the AI found…