The California Office of the Attorney General reported a data breach involving California Physicians' Services d/b/a Blue Shield of California on December 13, 2021. The breach occurred on January 20, 2021, due to a ransomware attack affecting protected health information, including names, dates of birth, subscriber ID numbers, and health plan information of an unknown number of individuals.
Source: https://oag.ca.gov/ecrime/databreach/reports/sb24-548504
TPRM report: https://www.rankiteo.com/company/blue-shield-of-california
"id": "blu1029072725",
"linkid": "blue-shield-of-california",
"type": "Ransomware",
"date": "1/2021",
"severity": "100",
"impact": "4",
"explanation": "Attack with significant impact with customers data leaks"
{'affected_entities': [{'industry': 'Healthcare',
'location': 'California',
'name': "California Physicians' Services d/b/a Blue "
'Shield of California',
'type': 'Health Insurance Provider'}],
'attack_vector': 'Ransomware',
'data_breach': {'personally_identifiable_information': True,
'sensitivity_of_data': 'High',
'type_of_data_compromised': ['names',
'dates of birth',
'subscriber ID numbers',
'health plan information']},
'date_detected': '2021-01-20',
'date_publicly_disclosed': '2021-12-13',
'description': 'The California Office of the Attorney General reported a data '
"breach involving California Physicians' Services d/b/a Blue "
'Shield of California on December 13, 2021. The breach '
'occurred on January 20, 2021, due to a ransomware attack '
'affecting protected health information, including names, '
'dates of birth, subscriber ID numbers, and health plan '
'information of an unknown number of individuals.',
'impact': {'data_compromised': ['names',
'dates of birth',
'subscriber ID numbers',
'health plan information']},
'references': [{'date_accessed': '2021-12-13',
'source': 'California Office of the Attorney General'}],
'title': 'Blue Shield of California Data Breach',
'type': 'Data Breach'}