The California Office of the Attorney General reported that Massachusetts Mutual Life Insurance Company experienced a data breach involving the mailing of IRS Form 1099 to incorrect addresses on January 30, 2013. The breach affected customer information, including names, addresses, Social Security Numbers, and financial details, but it is unknown how many individuals were affected.
Source: https://oag.ca.gov/ecrime/databreach/reports/sb24-39104
TPRM report: https://www.rankiteo.com/company/massmutual-financial-group
"id": "mas254080425",
"linkid": "massmutual-financial-group",
"type": "Breach",
"date": "1/2013",
"severity": "85",
"impact": "4",
"explanation": "Attack with significant impact with customers data leaks"{'affected_entities': [{'industry': 'Insurance',
'location': 'Massachusetts',
'name': 'Massachusetts Mutual Life Insurance Company',
'type': 'Insurance Company'}],
'attack_vector': 'Mailing Error',
'data_breach': {'personally_identifiable_information': True,
'sensitivity_of_data': 'High',
'type_of_data_compromised': ['names',
'addresses',
'Social Security Numbers',
'financial details']},
'date_detected': '2013-01-30',
'description': 'The California Office of the Attorney General reported that '
'Massachusetts Mutual Life Insurance Company experienced a '
'data breach involving the mailing of IRS Form 1099 to '
'incorrect addresses on January 30, 2013. The breach affected '
'customer information, including names, addresses, Social '
'Security Numbers, and financial details, but it is unknown '
'how many individuals were affected.',
'impact': {'data_compromised': ['names',
'addresses',
'Social Security Numbers',
'financial details']},
'references': [{'source': 'California Office of the Attorney General'}],
'title': 'Massachusetts Mutual Life Insurance Company Data Breach',
'type': 'Data Breach'}