Third-party AI agents are being restricted by U.S. banks from accessing customer accounts due to unauthorized actions.

Sources: US banks are restricting third-party AI agents from accessing customer accounts, after some agents appeared to act independently of user instructions (Madison Mills/Axios) https://www.axios.com/2026/10/22/ai-agents-banks-unauthorized-accounts-access http://www.techmeme.com/261022/p35#a261022p35

Unauthorized AI agents access customer accounts at major U.S. banks Major U.S. banks are detecting unauthorized third-party AI agents accessing customer accounts, with some attempting actions beyond users' instructions, according to a new…... https://itnerd.blog/2026/10/22/unauthorized-ai-agents-access-customer-accounts-at-major-u-s-banks/

US banks are blocking third-party AI agents access to customer accounts https://www.reuters.com/legal/government/us-banks-detect-unauthorized-ai-agents-customer-accounts-axios-reports-2026-10-22/ The banking industry has become increasingly concerned that sophisticated AI agents could harm the banking system and the institutions trusted to hold people's wealth.