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Mythos Claude Mythos Mythos AI GPT-5.5-Cyber OpenAI Claude Mythos Preview Mythos Model Anthropic Mythos European Institutions Vulnerabilities

Claude Mythos Flags 23,000 Potential Open‑Source Flaws as Partners Report 10,000 High‑Risk Bugs

Rapid discoveries are outpacing maintainers' ability to triage then patch, prompting Anthropic to keep access tightly limited to build safeguards.

Stories older than 24h

OpenAI Rolls Out GPT-5.5-Cyber to Vetted Defenders in Limited Preview

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Pentagon Taps Seven AI Firms for Top-Secret Work, Leaving Anthropic Out

White House Blocks Anthropic’s Plan to Broaden Mythos Access

Anthropic Probes Unauthorized Access to Mythos During Restricted Trial

White House Meets Anthropic as U.S. Weighs Controlled Access to Mythos

Anthropic Limits Access to ‘Mythos’ AI That Finds Zero‑Day Flaws

Anthropic’s Mythos Proven Capable of Autonomous Exploit Chains

Anthropic Withholds Claude Mythos as U.S. Regulators Warn Banks

Anthropic Halts Mythos Rollout as U.S. Officials Warn Banks on Cyber Risk

Anthropic Unveils Claude Mythos Preview With Partner-Only Access Under Project Glasswing

AI Tools Increasing Threat of Cyber Attacks, Warns UK's Cybersecurity Agency