On May 26, 2022, the California Office of the Attorney General reported that Aon PLC experienced a cyber incident impacting certain systems, which occurred between December 29, 2020, and February 26, 2022. The breach potentially compromised personal information including names, Social Security numbers, and driver's license numbers, although it is stated that there is no evidence of misuse of personal information.
Source: https://oag.ca.gov/ecrime/databreach/reports/sb24-553817
TPRM report: https://www.rankiteo.com/company/aon
"id": "aon427072825",
"linkid": "aon",
"type": "Breach",
"date": "5/2020",
"severity": "85",
"impact": "4",
"explanation": "Attack with significant impact with customers data leaks"
{'affected_entities': [{'industry': 'Professional Services',
'name': 'Aon PLC',
'type': 'Corporation'}],
'data_breach': {'personally_identifiable_information': True,
'sensitivity_of_data': 'High',
'type_of_data_compromised': ['names',
'Social Security numbers',
"driver's license numbers"]},
'date_detected': '2022-05-26',
'date_publicly_disclosed': '2022-05-26',
'description': 'Aon PLC experienced a cyber incident impacting certain '
'systems, which occurred between December 29, 2020, and '
'February 26, 2022. The breach potentially compromised '
'personal information including names, Social Security '
"numbers, and driver's license numbers, although it is stated "
'that there is no evidence of misuse of personal information.',
'impact': {'data_compromised': ['names',
'Social Security numbers',
"driver's license numbers"]},
'references': [{'date_accessed': '2022-05-26',
'source': 'California Office of the Attorney General'}],
'title': 'Aon PLC Cyber Incident',
'type': 'Data Breach'}