'Window of vulnerability': Banks move to restrict AI agent access

Major US banks including Citi, Wells Fargo, Bank of America, and JPMorgan Chase are restricting third-party AI agents from accessing customer accounts due to security risks of AI-driven fraud and unauthorized transactions. These banks are implementing policies and coalitions to control AI agent usage and develop security protocols while some like Charles Schwab offer their own controlled AI assistants.

This Wire brief sits within Fusion42's coverage of Fintech, and 5 sources have reported it between 17 Oct 2026 and 24 Oct 2026.