The California Office of the Attorney General reported a data breach involving UnitedHealth Group on March 30, 2012. The breach occurred from June 28, 2011 to December 12, 2011, potentially affecting personal information such as names, Social Security Numbers, and Medicare Healthcare Insurance Numbers, although the total number of individuals affected is unknown.
Source: https://oag.ca.gov/ecrime/databreach/reports/sb24-22860
TPRM report: https://www.rankiteo.com/company/unitedhealth-group
"id": "uni146072825",
"linkid": "unitedhealth-group",
"type": "Breach",
"date": "6/2011",
"severity": "85",
"impact": "4",
"explanation": "Attack with significant impact with customers data leaks"{'affected_entities': [{'industry': 'Healthcare',
'name': 'UnitedHealth Group',
'type': 'Healthcare'}],
'data_breach': {'personally_identifiable_information': True,
'sensitivity_of_data': 'High',
'type_of_data_compromised': ['names',
'Social Security Numbers',
'Medicare Healthcare Insurance '
'Numbers']},
'date_detected': '2012-03-30',
'date_publicly_disclosed': '2012-03-30',
'description': 'The California Office of the Attorney General reported a data '
'breach involving UnitedHealth Group on March 30, 2012. The '
'breach occurred from June 28, 2011 to December 12, 2011, '
'potentially affecting personal information such as names, '
'Social Security Numbers, and Medicare Healthcare Insurance '
'Numbers, although the total number of individuals affected is '
'unknown.',
'impact': {'data_compromised': ['names',
'Social Security Numbers',
'Medicare Healthcare Insurance Numbers']},
'references': [{'date_accessed': '2012-03-30',
'source': 'California Office of the Attorney General'}],
'title': 'UnitedHealth Group Data Breach',
'type': 'Data Breach'}