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

A merchant where American Express cardmembers used their cards detected unauthorized access to the merchant's website. The breach exposed cardmember account numbers, names, and card expiration dates. American Express placed additional fraud monitoring on affected accounts and notified cardmembers in August 2012. The breach date recorded is April 2, 2012. Social Security numbers were not affected.

American Express notified cardholders that a merchant where they used their cards detected unauthorized access to its data files. The affected data included American Express Card account numbers, names, and expiration dates. Social Security numbers were not impacted. American Express placed additional fraud monitoring on affected cards and stated it does not hold cardholders liable for fraudulent charges. The breach date is listed as April 2, 2012.

American Express (AXP) notified California AG regarding a breach on 2012-07-19 involving unauthorized access to a merchant's data files. The incident exposed card account numbers, cardholder names, and expiration dates. AXP implemented additional fraud monitoring and offered Identity Theft Assistance to affected cardholders.