On September 8, 2015, the California Office of the Attorney General reported a data breach involving American Express Travel Related Services Company, Inc. The breach occurred on December 30, 2014, and unauthorized access involved the card account number, name, and other card information of affected individuals. The specific number of individuals affected is unknown, but Social Security numbers were not impacted.
Source: https://oag.ca.gov/ecrime/databreach/reports/sb24-57712
TPRM report: https://www.rankiteo.com/company/american-express
"id": "ame513072825",
"linkid": "american-express",
"type": "Breach",
"date": "12/2014",
"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'}],
'data_breach': {'type_of_data_compromised': ['card account number',
'name',
'other card information']},
'date_detected': '2014-12-30',
'date_publicly_disclosed': '2015-09-08',
'description': 'A data breach involving American Express Travel Related '
'Services Company, Inc. occurred on December 30, 2014, '
'compromising card account numbers, names, and other card '
'information of affected individuals.',
'impact': {'data_compromised': ['card account number',
'name',
'other card information']},
'references': [{'date_accessed': '2015-09-08',
'source': 'California Office of the Attorney General'}],
'title': 'American Express Travel Related Services Data Breach',
'type': 'Data Breach'}