# Mozilla uses GPT-6 Cyber to find and fix Firefox vulnerabilities

> Original title: How Mozilla strengthens Firefox security with GPT-6 Cyber

- Source: OpenAI · YouTube
- Published: 2026-11-05T17:14:11.000Z
- Bad Influence: https://badinfluence.news/items/xodgsa3o5m9ap1ras165k2u4j
- Original: https://www.youtube.com/watch?v=pXRZyOxbDL4

## Summary

Mozilla used GPT-6 Cyber to uncover previously unknown high-severity vulnerabilities in Firefox and identify architectural improvements. Its team shipped fixes to millions of users. In a video, Firefox Distinguished Engineer Brian Grinstead shares Mozilla's experience and what stronger AI could mean for software defense.