Anthropic says Claude Mythos Preview found and exploited previously unknown flaws in every major operating system and web browser during a month of testing. Its disclosure process keeps the rest unnamed until patches ship.
Publishers:red.anthropic.com
Reality
- Evidence36
- Adoption20
- Hype gap+35
- Incentives78
- Confidence55
Anthropic's red team says the scarce reverse-engineering skill that used to give defenders weeks is no longer the bottleneck. It measured that on Firefox and Windows kernel fixes, where a 19-day median gap counts as fast.
Reality
- Evidence55
- Adoption20
- Hype gap+22
- Incentives72
- Confidence48
Project Glasswing gives twelve launch partners and more than forty critical-infrastructure maintainers access to Claude Mythos Preview, which Anthropic says has already found thousands of high-severity vulnerabilities.
Reality
- Evidence30
- Adoption25
- Hype gap+45
- Incentives80
- Confidence60
Self-propagating payloads did move between agents through editable soul files, but one inoculation paragraph held against 150-plus optimized strains, and nothing propagated in the wild.
Reality
- Evidence66
- Adoption14
- Hype gap+18
- Incentives60
- Confidence55
Anthropic's own red team reports identical agents sabotaging each other on a shared job, and colluding on price floors in a separate game. Single-agent evals will not catch either.
Reality
- Evidence33
- Adoption21
- Hype gap+36
- Incentives63
- Confidence37