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Anthropic to share Mythos cyber flaw findings with global finance watchdog
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Anthropic to share Mythos cyber flaw findings with global finance watchdog

The Guardian · May 18, 2026, 11:19 AM · Also reported by 4 other sources

Key takeaways

  • Prefer the Guardian on GoogleAnthropic is to brief the global finance watchdog on the implications of its Claude Mythos AI model, whose potential threat to cyber defences has alarmed experts.
  • The US startup will discuss Mythos with the Financial Stability Board, which is chaired by the governor of the Bank of England, Andrew Bailey.
  • Anthropic has declined to release Mythos publicly, after announcing that it had advanced capabilities in highlighting previously unknown flaws in IT systems – which could be utilised by hackers.

Why this matters: a developing story that could shape the day's news cycle.

Anthropic has given access to the Claude Mythos AI model to select group of tech companies and banks, including Apple and JP Morgan Photograph: Samuel Boivin/Nur Photo/Shutterstock View image in fullscreen Anthropic has given access to the Claude Mythos AI model to select group of tech companies and banks, including Apple and JP Morgan Photograph: Samuel Boivin/Nur Photo/Shutterstock AI (artificial intelligence)Anthropic to share Mythos cyber flaw findings with global finance watchdog Startup has declined to release Claude Mythos AI model publicly amid fears it could be used by hackers

Prefer the Guardian on GoogleAnthropic is to brief the global finance watchdog on the implications of its Claude Mythos AI model, whose potential threat to cyber defences has alarmed experts.

The US startup will discuss Mythos with the Financial Stability Board, which is chaired by the governor of the Bank of England, Andrew Bailey.

Article preview — originally published by The Guardian. Full story at the source.
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