This guide shows how to install the latest Firefox build on Linux and adjust key settings to reduce tracking, limit telemetry, and strengthen browser security.

Mozilla is testing an AI page summary feature in Firefox for Android Nightly. Users can shake the phone or tap “Summarise ...

Mozilla is now working with Anthropic's Frontier Red Team to identify and patch potentially dangerous security vulnerabilities in Firefox. According to Mozilla, the AI company approached ...

The test also showed that Claude is significantly better at finding security flaws than at writing code to exploit them. Despite spending around $4,000 in API credits, the team on ...

Anthropic’s Claude Opus 4.6 AI found 22 Firefox vulnerabilities, including 14 high severity, helping Mozilla patch flaws in Firefox 148.

Claude AI found 112 Firefox security flaws in 14 days, including 14 critical vulnerabilities now patched in Firefox 148 for ...

AI systems already seem to be vastly superior to most humans at debugging existing codebases. The latest evidence comes from Anthropic, which ...

"Claude Opus 4.6 discovered 22 vulnerabilities over the course of two weeks. Of these, Mozilla assigned 14 as high-severity vulnerabilities—almost a fifth of all high-severity Firefox vulnerabilities ...

Anthropic obliged. Over a two-week spell in January 2026, Claude Opus 4.6 found more high-severity bugs in Firefox than the rest of the world usually reports in two months, Mozilla said.

Claude Opus 4.6 discovered 14 high-severity bugs in Firefox over the course of two weeks.

Claude finds 14 high-severity Firefox bugs in just a few weeks, rivaling what Mozilla could do in months.