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Blue Shield of California: data breach filings, state by state

Blue Shield of California has 11 data breach filings on record in 2 government portals. The latest was reported to California AG on Jul 21, 2025. Data exposed, as filed: Social Security number, Financial / bank account, Medical / health information, Email address, Postal address, Driver's license / state ID, Date of birth, Phone number.

673people in total, as reported to HHS OCR on Jun 23, 2025
11filings in 2 government portals
Jul 21, 2025latest filing, California AG

By portal

PortalFilingsLatest reportPeople in the latest filing
California AG10Jul 21, 2025Not published
HHS OCR1Jun 23, 2025673 in total

Counts are the organization's own, as filed with each agency. Most state portals count their own residents only, so no single state shows the whole incident. An organization can file more than once for the same incident, and for different ones.

The next state to file on Blue Shield of California reaches subscribers within the hour. With the count, the data exposed and the letter. The Team plan follows the companies and vendors you name in every state. Start a 14-day free trial.
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Every filing

OrganizationSourceStateReportedResidents affectedData exposed
Blue Shield of California California AG CA Jul 21, 2025 Not published In the letter (PDF)
Blue Shield of California California AG CA Jun 23, 2025 Not published Social Security numberFinancial / bank accountMedical / health informationEmail address+2
Blue Shield of California HHS OCR US Jun 23, 2025 673 Medical / health information
Blue Shield of California California AG CA Jun 6, 2025 Not published Social Security numberDriver's license / state IDFinancial / bank accountMedical / health information+5
Blue Shield of California California AG CA Apr 9, 2025 Not published Social Security numberFinancial / bank accountMedical / health informationName
Blue Shield of California California AG CA Mar 28, 2025 Not published Social Security numberFinancial / bank accountMedical / health informationName
Blue Shield of California California AG CA Jul 12, 2022 Not published Social Security numberFinancial / bank accountMedical / health informationDate of birth+2
Blue Shield of California California AG CA Oct 27, 2021 Not published Social Security numberFinancial / bank accountMedical / health informationDate of birth+4
Blue Shield of California California AG CA Jan 14, 2016 Not published Social Security numberFinancial / bank accountMedical / health informationDate of birth+3
Blue Shield of California California AG CA Jul 3, 2014 Not published Social Security numberFinancial / bank accountMedical / health informationPhone number+2
Blue Shield of California California AG CA Feb 18, 2014 Not published In the letter (PDF)

Filings by other organizations that name Blue Shield of California

When a vendor is breached, its clients often file under their own names and mention the vendor.

OrganizationSourceStateReportedResidents affectedData exposed
California Physicians' Services d/b/a Blue Shield of California California AG CA Mar 31, 2023 Not published Social Security numberFinancial / bank accountMedical / health informationDate of birth+4
Blue Shield of California (BSC) California AG CA Dec 22, 2022 Not published Social Security numberEmail addressTax ID / EIN / ITINPhone number+2
California Physicians' Services d/b/a Blue Shield of California California AG CA Dec 13, 2021 Not published Financial / bank accountMedical / health informationDate of birthName
California Physicians' Services d/b/a Blue Shield of California California AG CA Nov 6, 2020 Not published Social Security numberHealth insurancePostal addressName
California Physicians' Service d/b/a Blue Shield of California California AG CA Feb 15, 2019 Not published Social Security numberFinancial / bank accountMedical / health informationDate of birth+2
California Physicians’ Service, d/b/a Blue Shield of California California AG CA Apr 13, 2018 Not published Medical / health informationHealth insuranceEmail addressPhone number+2
California Physicians’ Service, d/b/a Blue Shield of California California AG CA Jun 5, 2015 Not published Social Security numberFinancial / bank accountMedical / health informationDate of birth+2

Data reproduced from public government filings. Each row opens the record with the agency link. Spot an error? Email support@breachtally.com with the page link. Corrections are applied and noted.