Mythos helped Mozilla Firefox discover 271 critical bugs. The result has sharpened questions about the tool's power and risk.

There's a 15-year-old bug hiding in Firefox's element – one of the most boring tags in HTML. It survived over a decade of ...

Vanessa Page is a serial entrepreneur and millennial expert. She has 6+ years of experience writing about financial education and personal finance. Dr. JeFreda R. Brown is a financial consultant, ...

The Prompt API, as Google describes it, "gives web pages the ability to directly prompt a browser-provided language model." ...

What just happened? Mozilla's latest browser release doubles as a live-fire test of how far AI-assisted security has come, and how quickly it's reshaping software development. With Firefox 150, ...

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 ...

The internet's most trusted privacy tools have just had their foundations shaken. A flaw in Firefox and Tor Browser allows websites to silently track users across private sessions. The flaw disclosure ...

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Mozilla has released Firefox 150 with a broad security update that fixes 41 vulnerabilities, including multiple high-impact flaws tied to memory handling, browser components and privilege controls, ...

Mozilla says Firefox 150 patches 271 vulnerabilities found with Anthropic’s restricted Mythos AI, highlighting how quickly AI-driven bug hunting is accelerating. Mozilla announced Tuesday that this ...

Mozilla says Anthropic’s new cybersecurity-focused Claude Mythos AI model has discovered 271 vulnerabilities in Firefox. The vulnerabilities, identified with an early version of Claude Mythos Preview, ...