The California Office of the Attorney General reported on October 1, 2015, that T-Mobile USA, Inc. experienced a data breach on September 14, 2015, involving unauthorized access to Experian servers. The breach potentially exposed personal information of customers, including names, addresses, social security numbers, and dates of birth, but no banking or payment information was compromised.
Source: https://oag.ca.gov/ecrime/databreach/reports/sb24-58079
TPRM report: https://www.rankiteo.com/company/t-mobile
"id": "t-m759072725",
"linkid": "t-mobile",
"type": "Breach",
"date": "9/2015",
"severity": "85",
"impact": "4",
"explanation": "Attack with significant impact with customers data leaks"
{'affected_entities': [{'industry': 'Telecommunications',
'location': 'United States',
'name': 'T-Mobile USA, Inc.',
'type': 'Company'}],
'attack_vector': 'Unauthorized Access',
'data_breach': {'personally_identifiable_information': ['Names',
'Addresses',
'Social Security '
'Numbers',
'Dates of Birth'],
'sensitivity_of_data': 'High',
'type_of_data_compromised': ['Personal Information']},
'date_detected': '2015-09-14',
'date_publicly_disclosed': '2015-10-01',
'description': 'Unauthorized access to Experian servers potentially exposed '
'personal information of T-Mobile USA customers.',
'impact': {'data_compromised': ['Names',
'Addresses',
'Social Security Numbers',
'Dates of Birth']},
'references': [{'date_accessed': '2015-10-01',
'source': 'California Office of the Attorney General'}],
'title': 'T-Mobile USA Data Breach',
'type': 'Data Breach'}