The California Office of the Attorney General reported that American Express Travel Related Services Company, Inc. experienced a data breach on January 20, 2015, with the breach reported on July 24, 2015. The breach involved unauthorized access to a merchant's data files, affecting cardholder information such as cancelled card numbers and names, but no Social Security numbers were impacted.
Source: https://oag.ca.gov/ecrime/databreach/reports/sb24-57154
TPRM report: https://www.rankiteo.com/company/american-express
"id": "ame949072725",
"linkid": "american-express",
"type": "Breach",
"date": "1/2015",
"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': ['Cancelled card numbers',
'Names']},
'date_detected': '2015-01-20',
'date_publicly_disclosed': '2015-07-24',
'description': "Unauthorized access to a merchant's data files, affecting "
'cardholder information such as cancelled card numbers and '
'names, but no Social Security numbers were impacted.',
'impact': {'data_compromised': ['Cancelled card numbers', 'Names']},
'references': [{'source': 'California Office of the Attorney General'}],
'title': 'American Express Travel Related Services Company Data Breach',
'type': 'Data Breach'}