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Security & Privacy · 3 min read

Anthropic Releases Claude Fable, Its Powerful Cybersecurity AI Model

Anthropic has publicly released Claude Fable — the renamed Claude Mythos — opening enterprise access to a security AI that autonomously found more than 10,000 high or critical vulnerabilities during its restricted preview.

Jun 10

Security & Privacy · 3 min read

Anthropic Expands Project Glasswing to 150 Organizations Protecting Critical Infrastructure Worldwide

Anthropic has expanded Project Glasswing to 150+ organizations across 15+ countries, with Claude Mythos Preview already flagging more than 10,000 critical vulnerabilities in power, water, healthcare, and communications infrastructure.

Jun 4

AI News · 4 min read

Anthropic's Claude Mythos Found High-Severity Exploits in Every Major OS — Triggering an Emergency Industry Coalition

Anthropic's Claude Mythos autonomously found and demonstrated high-severity exploits across every major OS and browser — triggering Project Glasswing, a defensive coalition of Apple, Google, Microsoft, NVIDIA, and Cisco.

Apr 27

Security & Privacy · 4 min read

Anthropic's Unreleased 'Mythos' Model Gets Gated Access to 50 Organizations for Defensive Cybersecurity

Anthropic's most capable model ever built, Claude Mythos, will not be publicly released. Fifty organizations get gated access under Project Glasswing to find their own vulnerabilities before adversaries can exploit the model.

Apr 17

Security & Privacy · 3 min read

Anthropic Refuses to Release Claude Mythos, Its Most Powerful Model Ever, Over Cybersecurity Fears

Anthropic announced Claude Mythos on April 7 — then withheld it after the model autonomously identified thousands of zero-day vulnerabilities across every major OS and browser.

Apr 15

Security & Privacy · 4 min read

Anthropic Built Its Most Capable AI Model Ever — Then Locked It Away

Anthropic's Claude Mythos Preview scored 93.9% on SWE-bench but found tens of thousands of zero-days — so the company restricted it to 50 organizations under Project Glasswing.

Apr 14

Security & Privacy · 3 min read

Anthropic Withholds Claude Mythos from Public Over Zero-Day Exploit Risks

Anthropic will not release its Claude Mythos model to the general public after internal testing found it could autonomously discover and exploit thousands of previously unknown software vulnerabilities.

Apr 13

Security & Privacy · 4 min read

Anthropic Launches Project Glasswing: Gives Big Tech Early Mythos Access to Patch Vulnerabilities

Anthropic launched Project Glasswing, a restricted consortium giving Microsoft, Apple, Amazon, and Google limited access to Claude Mythos — the AI model it is withholding from the public.

Apr 13

Government & Policy · 3 min read

EU Endorses Anthropic's Staged Rollout of Cyber-Capable Claude Mythos

The European Commission publicly backed Anthropic's decision to delay general release of Claude Mythos, marking a rare alignment between an AI regulator and an AI company on a voluntary safety decision.

Apr 13

Security & Privacy · 3 min read

AI Industry Reckons with 'Vulnpocalypse' as Frontier Models Match Best Human Hackers

AI models have crossed a threshold: they are now competitive with the best human offensive security researchers at finding and exploiting software vulnerabilities.

Apr 13