The California Office of the Attorney General reported a data breach involving T-Mobile US on December 30, 2013. The breach involved unauthorized access to a file stored on servers managed by a T-Mobile supplier, potentially exposing personal information such as names, addresses, Social Security numbers, and/or Driver’s License numbers. The date of the breach discovery was in late November 2013.
Source: https://oag.ca.gov/ecrime/databreach/reports/sb24-43681
TPRM report: https://www.rankiteo.com/company/t-mobile
"id": "t-m416072525",
"linkid": "t-mobile",
"type": "Breach",
"date": "11/2013",
"severity": "85",
"impact": "4",
"explanation": "Attack with significant impact with customers data leaks"
{'affected_entities': [{'industry': 'Telecommunications',
'location': 'United States',
'name': 'T-Mobile US',
'type': 'Telecommunications Company'}],
'data_breach': {'personally_identifiable_information': True,
'type_of_data_compromised': ['names',
'addresses',
'Social Security numbers',
'Driver’s License numbers']},
'date_detected': 'Late November 2013',
'date_publicly_disclosed': 'December 30, 2013',
'description': 'Unauthorized access to a file stored on servers managed by a '
'T-Mobile supplier, potentially exposing personal information '
'such as names, addresses, Social Security numbers, and/or '
'Driver’s License numbers.',
'impact': {'data_compromised': ['names',
'addresses',
'Social Security numbers',
'Driver’s License numbers']},
'references': [{'source': 'California Office of the Attorney General'}],
'title': 'T-Mobile US Data Breach',
'type': 'Data Breach'}