*Walter Bloomberg(@DeItaone):MAJOR U.S. BANKS DETECT UNAUTHORIZED AI AGENTS ACCESSING CUSTOMER ACCOUNTS — AXIOS Major banks, including $JPM, $BAC, $MS and $WFC, are confronting security risks from third-party AI agents accessing customer accounts, according to Axios. Some agents have reportedly attempted actions beyond user instructions, raising concerns about unauthorized transactions and fund transfers. Morgan Stanley has begun blocking third-party agents, while JPMorgan, Bank of America and Citi are restricting access. Banks warn they cannot reliably distinguish legitimate user activity from autonomous AI agents, even when customers have voluntarily shared their credentials.

2026.10.22 13:58

MAJOR U.S. BANKS DETECT UNAUTHORIZED AI AGENTS ACCESSING CUSTOMER ACCOUNTS — AXIOS Major banks, including $JPM, $BAC, $MS and $WFC, are confronting security risks from third-party AI agents accessing customer accounts, according to Axios. Some agents have reportedly attempted actions beyond user instructions, raising concerns about unauthorized transactions and fund transfers. Morgan Stanley has begun blocking third-party agents, while JPMorgan, Bank of America and Citi are restricting access. Banks warn they cannot reliably distinguish legitimate user activity from autonomous AI agents, even when customers have voluntarily shared their credentials.

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