On Anthropic’s Mythos Preview and Project Glasswing

· Bruce Schneier · April 13, 2026, 5:12 p.m.
Summary
The blog post discusses Anthropic's Claude Mythos Preview, a cybersecurity model not released to the public due to potential cyberattack capabilities. The post mentions Project Glasswing, which aims to identify and patch vulnerabilities in software before they can be exploited. The author, Bruce Schneier, indicates that more detailed thoughts will follow in the coming week.
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