News · curated 28 Jun 2026
Expanding Project Glasswing
First reported anthropic.com
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Why it matters
It signals how AI models are reshaping both offensive and defensive cybersecurity, and warns defenders to prepare for AI-enabled attacks becoming more frequent and unpredictable.
Anthropic announces an expansion of Project Glasswing, extending access to its Claude Mythos Preview model to roughly 150 new organizations across critical infrastructure sectors to scan codebases for vulnerabilities; partners have reportedly found over 10,000 high/critical flaws. The post warns that cheap, powerful AI cyber capabilities are imminent and that competitors may release Mythos-class models without misuse safeguards.