The California Office of the Attorney General reported that Contra Costa County experienced unauthorized access to employee email accounts between June 24, 2021, and August 12, 2021. The incident was reported on April 15, 2022, but the number of individuals affected and the specific types of personal information compromised remain unknown.
Source: https://oag.ca.gov/ecrime/databreach/reports/sb24-552642
TPRM report: https://www.rankiteo.com/company/contra-costa-county
"id": "con503080425",
"linkid": "contra-costa-county",
"type": "Breach",
"date": "6/2021",
"severity": "60",
"impact": "3",
"explanation": "Attack with significant impact with internal employee data leaks"{'affected_entities': [{'industry': 'Public Administration',
'location': 'California, USA',
'name': 'Contra Costa County',
'type': 'Government'}],
'attack_vector': 'Email Account Compromise',
'date_publicly_disclosed': '2022-04-15',
'description': 'The California Office of the Attorney General reported that '
'Contra Costa County experienced unauthorized access to '
'employee email accounts between June 24, 2021, and August 12, '
'2021.',
'impact': {'systems_affected': 'Employee Email Accounts'},
'references': [{'source': 'California Office of the Attorney General'}],
'title': 'Unauthorized Access to Employee Email Accounts',
'type': 'Unauthorized Access'}