• Sam Woods, CEO of the Bank of England’s Prudential Regulation Authority, said it is ‘reasonable to expect quite significant disruption’ to financial services from latest AI models like Anthropic’s Mythos and ChatGPT 5.5 Instant.
  • Woods cited these models’ growing ability to identify vulnerabilities, requiring banks to patch them quickly, which is ’the main driver of outages’ in the financial system.
  • Woods said firms need to step up basic cyber hygiene and respond faster, with AI-driven defenses becoming more important.
  • Anthropic rolled out its latest AI model, Mythos, to a limited number of businesses in April.
  • Cybersecurity experts view Mythos as posing challenges to the banking industry and its legacy technology systems.
  • A BoE-led cyber group determined last month that the challenges are manageable.

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