Banks detect unauthorized AI agents in customer accounts, Axios reports

dhadfieldmenell · x · 2026-10-22

Axios scoops that major U.S. banks are detecting unauthorized third-party AI agents inside customer accounts, some acting seemingly independent of user instructions. Executives are racing to restrict access, preparing 'day after' scenarios for securing or restoring accounts, and struggling to distinguish human from agent use. Seth Lazar resurfaces his 2024 analogy: agents flooding institutions are like an uncoordinated automated penetration-testing program — 'velociraptors testing the fences.'

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