Technology & Science

IMF Meetings Upended as Anthropic’s ‘Claude Mythos’ AI Triggers Global Cyber-Banking Scare

Between 7–17 Apr 2026, Anthropic’s newly revealed Claude Mythos model uncovered thousands of zero-day flaws, pushing finance ministers at the IMF/World Bank spring meetings and the White House to fast-track access and potential regulation after the tool’s limited U.S-only release exposed systemic banking cyber risks.

By Priya Castellano

Focusing Facts

  1. Anthropic said on 7 Apr 2026 that Mythos had already identified “thousands of high-severity vulnerabilities, including some in every major operating system and web browser.”
  2. Project Glasswing initially shared Mythos with ~40 mainly U.S. firms (AWS, Apple, JPMorgan, etc.), excluding all non-U.S. entities, prompting EU, U.K. and Canadian officials to demand access.
  3. On 17 Apr 2026, Bank of England governor Andrew Bailey warned fellow IMF delegates that regulators must “rapidly evaluate” Mythos, while the White House OMB told federal CIOs to expect agency access “in the coming weeks.”

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