UK regulators to assess risks of Anthropic's AI model; Wall Street banks set for $40bn trading windfall on volatility

UK regulators are holding urgent talks with the government's cyber security watchdog and major banks over risks linked to Anthropic's latest AI model, Claude Mythos Preview.

Officials from the Bank of England, the Financial Conduct Authority and HM Treasury are working with the National Cyber Security Centre to assess vulnerabilities the model could expose in critical IT systems, according to an FT report citing sources. UK lenders, insurers and exchanges are expected to be briefed at a meeting within weeks.