US banks block third-party AI agents inside customer accounts

Major US banks including Morgan Stanley, JPMorgan, Bank of America, Citi and Charles Schwab are detecting third-party AI agents inside customer accounts and restricting their access. Most agents entered with credentials customers handed over willingly, which still violates bank terms, and the industry is leaning toward read-only access without transactions.

• Morgan Stanley is blocking third-party AI agents; JPMorgan, BofA, Citi and Schwab restrict access
• Agents entered using credentials customers shared voluntarily
• Banks are moving toward read-only access that blocks transactions
• Regulators have issued no agent-specific rules for banks