U.S. Banks Warn of Debit Card Breaches, Issuing Replacements for Affected Customers

Several U.S. banks are investigating potential security breaches involving debit card data, prompting some to automatically issue replacement cards to affected customers.

In recent filings with the Massachusetts government, six banks—Mainstreet Bank, Savers Bank, The Village Bank, Watertown Savings Bank, Webster Five Cents Savings Bank, and Eagle Bank—reported that their customers’ debit card information might have been compromised due to a security lapse at a third-party payment platform.

A notice shared by Eagle Bank reveals that an unnamed Mastercard merchant allowed unauthorized access to customer account details. Similarly, notices from The Village Bank and Savers Bank identified breaches linked to merchant networks. Savers Bank confirmed a suspected security issue with a Mastercard merchant, potentially exposing some of its debit card numbers.

For affected customers at Eagle Bank and Savers Bank, new debit cards will be issued automatically. Webster Five Cents Savings Bank, while providing fewer details about the breach, is also mandating the issuance of new cards for impacted customers. Watertown Savings Bank has advised customers to stay alert for unusual activity and offers new cards upon request.

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Mainstreet Bank, which experienced the breach between June 28, 2023, and April 26, 2024, has confirmed that personally identifiable information such as card numbers and expiration dates may have been exposed. The bank is offering customers the option to replace their cards for added security.

Alexander Stefanov

With over 8 years of experience in the cryptocurrency and blockchain industry, Alexander is a seasoned content creator and market analyst dedicated to making digital assets more accessible and understandable. He specializes in breaking down complex crypto trends, analyzing market movements, and producing insightful content aimed at educating both newcomers and seasoned investors. Alexander has built a reputation for delivering timely and accurate analysis, while keeping a close eye on regulatory developments, emerging technologies, and macroeconomic trends that shape the future of digital finance. His work is rooted in a passion for innovation and a firm belief that widespread education is key to accelerating global crypto adoption.