Citigroup blocks third-party AI agents from accessing customer accounts

Citigroup: Citigroup is a leading global financial services firm offering consumer banking, credit cards, institutional services, and wealth management to clients worldwide. The bank has been actively scaling its internal AI capabilities while prioritizing governance and risk controls in its digital operations. In relation to the reported policy, Citigroup announced it will block third-party AI agents from directly logging into or transacting within customer accounts on its platforms, aligning with its emphasis on security and controlled AI deployment. Banking AI Policy: Several major US banks, including Citigroup, are implementing restrictions on third-party AI agents accessing customer accounts to address security and operational risks. Industry Approach: Banks are adopting AI agents for internal efficiency and client services while maintaining strict limits on external agents to preserve trust and control. Internal AI Governance: Citigroup has developed its Arc platform as a controlled environment for building and monitoring internal AI agents with built-in oversight and auditability.