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Firefox, Mozilla and Claude Mythos

Mozilla Fixes 271 Firefox Bugs Using Anthropic’s Mythos AI

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

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New Firefox update patches a whopping 271 bugs with help from Claude Mythos

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Mozilla Used Anthropic’s Mythos to Find and Fix 271 Bugs in Firefox

New Scientist · 1d

Do you need to worry about Mythos, Anthropic's computer-hacking AI?

The past few weeks have brought apparently alarming news of Mythos, an AI that can identify cybersecurity flaws in a matter of moments, leaving operating systems and software vulnerable to hackers.

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Is 'Mythos' a new AI model really too dangerous?

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Former national cyber director: Anthropic’s ‘Mythos’ AI can hack nearly anything and we aren’t ready

Mythos found 271 Firefox flaws – but none a human couldn’t spot

The FOSS outfit on Tuesday reminded readers that it used Anthropic’s Opus 4.6 model to look for bugs in Firefox 148 and found 22 bugs. Mythos found 271 vulnerabilities in Firefox 150. Mozilla CTO Bobby Holley expressed mixed feelings about that result,

CNET

Stop Paying for a VPN: Firefox Just Built One Right Into Your Browser

Mozilla's built-in VPN offers an extra layer of privacy for your browser traffic without requiring a separate subscription.

PCMag

Firefox’s New Boss Has a Very Old-School Plan: 'Build a Better Browser'

I spoke with Firefox's head, Ajit Varma, about why the company is returning to fundamentals after years of decline.