The California Office of the Attorney General reported a data breach involving American Express Travel Related Services Company, Inc. on July 19, 2013. The breach occurred on February 1, 2013, and involved unauthorized access to data files that included Card account numbers and holder names, but Social Security numbers were not impacted.
Source: https://oag.ca.gov/ecrime/databreach/reports/sb24-42277
TPRM report: https://www.rankiteo.com/company/american-express
"id": "ame342072825",
"linkid": "american-express",
"type": "Breach",
"date": "2/2013",
"severity": "50",
"impact": "2",
"explanation": "Attack limited on finance or reputation"{'affected_entities': [{'industry': 'Financial Services',
'name': 'American Express Travel Related Services '
'Company, Inc.',
'type': 'Company'}],
'attack_vector': 'Unauthorized Access',
'data_breach': {'type_of_data_compromised': ['Card account numbers',
'Holder names']},
'date_detected': '2013-02-01',
'date_publicly_disclosed': '2013-07-19',
'description': 'Unauthorized access to data files that included Card account '
'numbers and holder names, but Social Security numbers were '
'not impacted.',
'impact': {'data_compromised': ['Card account numbers', 'Holder names']},
'references': [{'source': 'California Office of the Attorney General'}],
'title': 'American Express Travel Related Services Data Breach',
'type': 'Data Breach'}