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 and Anthropic announced that they are partnering to improve the security and stability of the Firefox web browser.

Claude AI discovered 22 Firefox vulnerabilities in two weeks, including 14 high severity flaws, showing how AI speeds up ...

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 ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. Update Firefox and Thunderbird now. Mozilla has confirmed a security issue affecting all ...

New AI-powered tools are increasingly adept at spotting flaws. Hacking experts worry they will be good at exploiting them, too.

Mozilla Firefox has added new AI features to its browser this week, but you have the option to turn them off. "AI is changing the web, and people want very different things from it," Firefox head Ajit ...

Mozilla has embarked on yet another redesign for Firefox, codenamed "Nova," and here is your first look at what it could look like when it releases.

A new version of Firefox is here with some quality-of-life improvements that fix issues with YouTube, poor video quality on PCs with NVIDIA cards, and more.

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.