# Claude Mythos identified more than 10,000 major cybersecurity vulnerabilities in some of the world’s most widely used and critical software systems.

*genai · news · 2026-05-23 · The Financial Express*

## Key points

- Claude Mythos identified over 10,000 major cybersecurity vulnerabilities in critical global software systems.
- Cloudflare discovered about 2,000 issues, including nearly 400 high or critical-risk vulnerabilities, using Mythos.
- The UK AI Security Institute reports Claude Mythos is the first AI to complete both full cyberattack simulation environments.
- Anthropic will not publicly release Claude Mythos due to current insufficient safeguards against misuse.

**Companies:** Cloudflare, Mozilla
**Countries:** United Kingdom

[Read the full story on The Financial Express](https://www.financialexpress.com/life/technology-anthropic-says-unreleased-ai-model-helped-companies-find-over-10000-cybersecurity-vulnerabilities-in-one-month-4249030/)

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