FROST uses JavaScript and OPFS SSD timing to identify websites at 88.95% F1, exposing cross-browser privacy leaks.

The Android browser nobody recommends, but should.

Your browser is more than just another app—it's your gateway to the web. We break down the strengths and weaknesses of today's top browsers to help you find the best fit for your needs.

Apple has released iOS 26.4.2 with unspecified bug fixes and a single security patch, while Mozilla’s Firefox 150 adds PDF editing tools, improved split view, and addresses 41 security vulnerabilities ...

PCWorld reports that Firefox 150 transforms its PDF viewer into a comprehensive editor, allowing users to reorder pages, copy images, and perform various editing functions. Mozilla addressed 41 ...

Abstract: The evolution and use of JavaScript, a language developed in 10 days back in 1995, is really just getting started. The featured Web extra is a video interview with Mozilla's Chief Technology ...

Mozilla is building cq - described by staff engineer Peter Wilson as "Stack Overflow for agents" - as an open source project to enable AI agents to discover and share collective knowledge. The ...

Anthropic's Frontier Red Team and Mozilla collaborated on AI-based vulnerability detection, reporting that Claude Opus 4.6 submitted a total of 112 reports for Firefox in just two weeks, confirming 22 ...

The takeaway: While some companies are struggling with a flood of unreliable or hallucinated AI-generated bug reports, Mozilla is finding real value in bug-seeking bots. The foundation has begun ...

Mozilla and Anthropic announced that they are partnering to improve the security and stability of the Firefox web browser. “A few weeks ago, Anthropic’s Frontier Red Team approached us with results ...

Anthropic on Friday said it discovered 22 new security vulnerabilities in the Firefox web browser as part of a security partnership with Mozilla. Of these, 14 have been classified as high, seven have ...

In a recent security partnership with Mozilla, Anthropic found 22 separate vulnerabilities in Firefox — 14 of them classified as “high-severity.” Most of the bugs have been fixed in Firefox 148 (the ...