The ECB has told eurozone banks they must tighten cyber-security in response to AI-led attack tools, in a formal Wednesday statement following weeks of private guidance.

The ECB is pressing banks to patch vulnerabilities faster as Anthropic's Mythos finds thousands of zero-day flaws and European lenders remain locked out of testing.

The ECB is to urge quicker action on improving the IT security of lending organisations amid evolving AI threats.