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Mozilla says Anthropic's Mythos Preview and other AI models helped it identify and ship 423 Firefox security bug fixes in April

Mozilla says it has patched over 400 bugs with the help of Anthropic Mythos The tool had to be 'harnessed' to Firefox for the best results Mythos offers a step away from the typical 'unwanted slop' provided by AI fuzzing tools Anthropic’s latest cybersecurity tool Mythos is continuing to make waves… …

May 8, 2026 · Benedict Collins

Discussions and forums

r/buildapc · u/bkilpat01 · 1w ago

MSI called my firmware bug a "Linux issue." AMD's engineers disagree. Now two BIOS updates later, still no fix.

UPDATE: Significant new information has emerged. MSI's technical team went well above and beyond once this reached the right people, and the evidence now points clearly away from MSI as the responsible party. A more comp…

Hacker News · u/cayleyh · 3w ago

Ask HN: Are advances in AI going to push Linux to a micro-kernel?

This is something that has been bouncing around my head for the past couple weeks with the flood of security related news around Mythos and the number of 0days being found.Microkernels, unikernals, hardware-enforced capa…

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r/netsec · u/bugvader25 · 2d ago

Claude Fable 5: mid-tier results on coding tasks

Despite all the hype around Mythos, Claude Fable 5 returned pretty mid-tier results on coding tasks: 59.8% passing functional solves and just 19.0% passing security solves on a benchmark of 200 real-world tasks.

r/sysadmin · u/NoDistrict1529 · May 15, 2026

A third vulnerability has hit the kernel

This is part of the dirtyfrag family, but is different enough to warrant its own CVE. https://www.bleepingcomputer.com/news/security/new-fragnesia-linux-flaw-lets-attackers-gain-root-privileges/ Known as Fragnasia and tr…

Hacker News · u/introvertmac · Dec 3, 2025

Tell HN: Compliance is not equal to Security

For over a decade, I’ve been doing bug bounty, security audits, and security consulting. And if there’s one thing I’ve seen repeatedly, it’s this:Most startups call a security engineer or hire a security agency only when…

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techcrunch.com › 2026 › 05 › …

Microsoft under fire for threatening security researcher with criminal investigation | TechCrunch

… This includes cybersecurity veterans, such as Luta Security founder Katie Moussouris, who while working at Microsoft in the mid- to late 2000s pioneered bug bounties and convinced the technology giant to move away from the concept of “responsible disclosure” by framing the process as “ coordinated … …

May 29, 2026 · Lorenzo Franceschi-Bicchierai