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Bank of America warns customers not to give AI agents their logins

The bank says customers remain responsible for account activity resulting from access they grant to outside tools.

Illustration of a banking login screen beside an AI assistant interface
Photo: TechCrunch

Bank of America has emailed customers warning them against giving banking usernames and passwords to AI assistants, saying customers bear responsibility for activity that results when they share access.

The message tells customers not to disclose login details to other people or external services. That includes AI tools offering to perform tasks for them. A bank spokesperson verified the email’s authenticity after it appeared on social media.

The warning comes as banks, payment providers and processors explore ways for customers to use AI tools with their accounts. One application is agentic payments, in which an agent can buy items autonomously based on price or timing.

Sharing credentials could allow an assistant to take financial actions without the customer’s knowledge or trigger a bank to block account access. A security vulnerability in an assistant could also expose login details to hackers. Most banks’ account agreements make customers responsible for access they give others.

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Valeria Montoya

Finance Editor

Edits and reviews stories on banks, insurers, asset managers, payments and fintech, private equity and credit, the regulation of financial institutions, and personal finance.