The California Office of the Attorney General reported that American Express Travel Related Services Company, Inc. experienced a data breach on April 9, 2013, which was reported on May 2, 2013. The breach involved the recovery of American Express Card information, including account numbers and names, but Social Security numbers were not impacted.
Source: https://oag.ca.gov/ecrime/databreach/reports/sb24-41668
TPRM report: https://www.rankiteo.com/company/american-express
"id": "ame203072725",
"linkid": "american-express",
"type": "Breach",
"date": "4/2013",
"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'}],
'data_breach': {'type_of_data_compromised': ['American Express Card '
'information',
'account numbers',
'names']},
'date_detected': '2013-04-09',
'date_publicly_disclosed': '2013-05-02',
'description': 'The California Office of the Attorney General reported that '
'American Express Travel Related Services Company, Inc. '
'experienced a data breach on April 9, 2013, which was '
'reported on May 2, 2013. The breach involved the recovery of '
'American Express Card information, including account numbers '
'and names, but Social Security numbers were not impacted.',
'impact': {'data_compromised': ['American Express Card information',
'account numbers',
'names']},
'references': [{'source': 'California Office of the Attorney General'}],
'title': 'American Express Data Breach',
'type': 'Data Breach'}