Tech error exposes personal details of top American bank’s customers


U.S. Bank, one of the largest banks in the United States, has contacted an unknown number of individuals about an unauthorized party accessing their personal details.

The bank, publicly traded as U.S. Bancorp, sent out breach notification letters to individuals whose data may have been exposed. According to the notification, a tech error in early April exposed personal user details.

“During the week of April 8th, 2025, due to a technical configuration error, your account was accessed by a fraudulent actor and personal information was made visible,” reads the letter.

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U.S. Bank claims that unauthorized parties may have accessed:

  • Account numbers
  • Names
  • Addresses
  • Phones
  • Email addresses
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In theory, threat actors could utilize the details for identity theft as well as phishing attacks.

Information that the bank submitted to the Massachusetts Office of Consumer Affairs and Business Regulation notes that at least one Massachusetts resident was exposed, marking the “financial account breached” box on the form.

We have reached out to the U.S. Bank to confirm the exact number of individuals who may have been impacted by the “technical configuration error.”

The Minneapolis-headquartered U.S. Bank is the seventh-largest bank in America. Last year, the bank, which operated over 2,000 branches in the US, reported revenue of $27.5 billion and assets of $664 billion.

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