ToolsThe story, in brief
Mozilla says 271 vulnerabilities found by Mythos have "almost no false positives"
271 vulnerabilities. Zero noise. Mozilla's AI bug-finder just reset the bar for production security tooling.
The KeyNews take
Why it matters
Mozilla deployed Mythos (an AI-assisted vulnerability discovery tool) into production security workflows and validated 271 real vulnerabilities with near-zero false positives—demonstrating that AI agents can deliver measurable ROI in high-stakes enterprise environments beyond chat and coding.
The key facts
6 to know271 vulnerabilities discovered by Mythos
Almost no false positives reported
Mozilla 'completely bought in' on AI-assisted bug discovery
Published May 7, 2026
Firefox security application
Production deployment (not pilot)
Go to the source
Ars Technicaarstechnica.com
Publisher excerpt: The developer of Firefox says it has "completely bought in" on AI-assisted bug discovery.