Marsh & McLennan Companies, Inc.

The California Office of the Attorney General reported a data breach involving Kroll Background Screening Services, a subsidiary of Marsh & McLennan Companies, Inc. The breach occurred between June 2013 and September 2013, resulting in unauthorized access to personal information, including names and Social Security Numbers. The breach notification was reported on November 26, 2013.

Source: https://oag.ca.gov/ecrime/databreach/reports/sb24-43389

TPRM report: https://www.rankiteo.com/company/marshmclennan

"id": "mar307072525",
"linkid": "marshmclennan",
"type": "Breach",
"date": "6/2013",
"severity": "60",
"impact": "3",
"explanation": "Attack with significant impact with internal employee data leaks"

{'affected_entities': [{'industry': 'Professional Services',
                        'name': 'Marsh & McLennan Companies, Inc.',
                        'type': 'Corporation'}],
 'attack_vector': 'Unauthorized Access',
 'data_breach': {'personally_identifiable_information': True,
                 'sensitivity_of_data': 'High',
                 'type_of_data_compromised': ['Names',
                                              'Social Security Numbers']},
 'date_detected': '2013-09',
 'date_publicly_disclosed': '2013-11-26',
 'description': 'Unauthorized access to personal information, including names '
                'and Social Security Numbers, through Kroll Background '
                'Screening Services.',
 'impact': {'data_compromised': ['Names', 'Social Security Numbers']},
 'references': [{'date_accessed': '2013-11-26',
                 'source': 'California Office of the Attorney General'}],
 'title': 'Marsh & McLennan Companies, Inc. Data Breach',
 'type': 'Data Breach'}