Anthropic Expands Project Glasswing to 150 Orgs After Partners Found 10,000+ Flaws

ConradBastable · x · 2026-09-04

• Anthropic is expanding Project Glasswing, granting roughly 150 new organizations across 15+ countries access to Claude Mythos Preview, adding power, water, healthcare, communications, and hardware sectors plus widely relied-upon code maintainers.
• The initial 50 partners have already used the model to scan codebases, uncovering more than 10,000 high- or critical-severity vulnerabilities; Anthropic estimates a major attack on most partners could affect over 100 million people.
• The move follows collaboration with security firms, open-source maintainers, and the US government, aiming to make all software more secure as AI reshapes cybersecurity assumptions. A tweet accompanying the post claims Anthropic gave preselected big-tech friends early access to Mythos since April.

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