• Several of the largest US banks have gained access to Anthropic’s Mythos AI tool, which uncovers IT system vulnerabilities, prompting urgent repairs and software upgrades.
  • Mythos is particularly adept at chaining low-risk vulnerabilities into high-risk ones, forcing banks to patch faster – in some cases within days instead of weeks.
  • Larger banks are sharing findings with smaller banks that lack direct access due to high cost and processing power requirements.
  • Mythos costs $25 per million input tokens and $125 per million output tokens, five times more expensive than Anthropic’s widely available top model Opus 4.7.
  • Anthropic has provided $100 million in credits to partners and offers the Claude Security program to a broader set of organizations.
  • Experts warn that cyber risk is moving at machine speed while bank defenses still operate at human speed.

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