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Security · Updated 23 Oct, 01:12 am IST

US banks are blocking third-party AI agents from customer accounts

Why it matters for readers: It explains why banks might prevent AI tools from using customer logins after reports of agents acting without clear user commands.

  • Banks have flagged and blocked transactions where customers shared login credentials with AI agents, though such transactions may not be treated as unauthorized if credentials were willingly shared.1
  • Morgan Stanley has specifically blocked third-party agents from accessing its platforms, and has not seen instances of unauthorized or rogue AI agents, according to a source.1
  • Banking executives are concerned that sophisticated AI agents could introduce significant risks to customers and the banking system.1

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