Security News > 2024 > March > American Express credit cards exposed in third-party data breach
American Express is warning customers that credit cards were exposed in a third-party data breach after a merchant processor was hacked.
This incident was not caused by a data breach at American Express, but rather at a merchant processor in which American Express Card member data was processed.
In a data breach notification filed with the state of Massachusetts under "American Express Travel Related Services Company," the company warned customers their credit cards may have been stolen.
"We became aware that a third party service provider engaged by numerous merchants experienced unauthorized access to its system," explains the data breach notification.
The breach has led to customers' American Express Card account numbers, names, and card expiration data being accessed by the hackers.
If a cardmember's credit card is used to make fraudulent purchases, American Express told BleepingComputer that customers would not be responsible for the charges.
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