# was the only bank named as part of an initiative to test the Mythos model.

*business · news · 2026-04-12 · Hartford Courant*

## Key points

- Wall Street banks are internally testing Anthropic's Mythos AI model for cybersecurity vulnerability detection.
- Anthropic's Mythos model autonomously discovered and exploited multiple web browser vulnerabilities during internal tests.
- The U.S. Treasury and Federal Reserve urged major banks to deploy Mythos to identify system vulnerabilities.
- Anthropic limited Mythos access to select firms under 'Project Glasswing' to secure critical systems before wider release.
- Anthropic is contesting a Pentagon supply-chain risk designation in court, with a recent appeal denied.

**Companies:** JPMorgan Chase & Co., Goldman Sachs Group Inc., Citigroup Inc., Bank of America Corp., Morgan Stanley, Amazon.com Inc., Apple Inc.
**Countries:** United States

[Read the full story on Hartford Courant](https://www.courant.com/2026/04/12/wall-street-banks-try-out-anthropics-mythos-as-us-urges-testing/)

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