Tech Brew Ride Home · Friday, October 23, 2026
Major U.S. banks have begun blocking third-party AI agents from accessing customer accounts and making unapproved transactions. Financial institutions raised security concerns after finding that some AI agents attempted actions independent of user instructions when credentials were shared.
“Major U.S. banks have been blocking third-party AI agents from operating inside customer accounts and making transactions to people familiar with the situation, said following a report that AI agents were accessing bank accounts and taking actions independent of user instructions.”
“We are blocking it because we want to have control over authentication and the experience, Worcester said, end quote.”