Anthropic’s Mythos Accessed by Unauthorized Users

Watch on YouTube ↗  |  April 22, 2026 at 05:46  |  2:26  |  Bloomberg Markets
Speakers
Matt Bloxham — Head of Research, The Block

Summary

Bloomberg reports that unauthorized users have accessed Anthropic's new Mythos AI model, which the company warns is powerful enough to enable dangerous cyberattacks. Bloomberg Intelligence analyst Matt Bloxham explains that the access came from a Discord group including an employee of a third-party tester. He highlights the risks to financial systems and the internet, though no malicious use has occurred so far, emphasizing the need for security testing by companies like Apple.

  • Unauthorized Discord users accessed Anthropic's Mythos AI model.
  • One user is an employee of a third-party tester for Anthropic.
  • Anthropic warns Mythos could enable significant cyberattacks.
  • Access is limited to companies like Apple for vulnerability testing.
  • The incident highlights AI model security vulnerabilities.
  • Risks include potential threats to financial systems and the internet.
  • No malicious intent has been reported from the unauthorized access.
  • Underscores the importance of robust security in AI development.
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