American Express Travel Related Services Company, Inc. and/or its Affiliates

American Express Travel Related Services Company, Inc. reported a data breach involving a third-party payment processor. Unauthorized access to the processor's system resulted in the potential exposure of cardholder names, addresses, account numbers, expiration dates, and dates of birth. Social Security numbers were not impacted. The incident is classified as a third-party supply chain compromise involving credential misuse. American Express has implemented additional fraud monitoring and is working with the processor to assess the scope.