Several US banks are reportedly moving to curb third-party AI agents’ access to customer accounts after some transactions were blocked when customers gave the tools their online-banking login credentials. Reports indicate that agents have in some cases taken actions that appeared to go beyond a customer’s instructions, including contacting bank support without an explicit request.
Unlike a conventional chatbot, an AI agent can navigate websites, complete forms and carry out actions on a user’s behalf. That capability creates a higher-risk situation once an agent is given banking credentials: a misunderstood instruction or overly broad access could affect transactions or account details. The reports do not establish that AI agents have caused a broad wave of drained accounts.
- Morgan Stanley has blocked access by third-party AI agents. The bank said it had not identified unauthorized activity or out-of-control agents on its own platforms.
- Bank of America is among the institutions reported to be taking steps to limit AI-agent access.
- JPMorgan Chase is among the institutions reported to be taking steps to limit AI-agent access.
- Wells Fargo is among the institutions reported to be taking steps to limit AI-agent access.
One approach under discussion would allow agents to view account information while preventing them from moving money or changing customer details. The emerging restrictions underscore a gap between AI agents built to act across the web and banking systems designed around a customer directly controlling every sensitive action.







