# The initiative allows firms to use the company’s Mythos Preview for defensive security work.

*genai · news · 2026-04-07 · Fortune*

## Key points

- Anthropic's Mythos Preview has identified thousands of zero-day vulnerabilities, including a 27-year-old OpenBSD bug.
- Project Glasswing gives select organizations early access to Mythos for defensive cybersecurity and knowledge sharing.
- Anthropic privately warned government officials that Mythos increases the likelihood of large-scale cyberattacks this year.
- Mythos is not planned for general release until new safeguards are developed for safe deployment.
- Hackers have already used Anthropic's AI tools for autonomous cyberattacks, including a Chinese state-sponsored operation.

**Companies:** Amazon Web Services, Apple, Google, JPMorganChase, Microsoft, NVIDIA, Broadcom, Cisco, CrowdStrike, Anthropic

[Read the full story on Fortune](https://fortune.com/2026/04/07/anthropic-claude-mythos-model-project-glasswing-cybersecurity/)

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