California Physicians’ Services dba Blue Shield of California, a covered entity (CE), reported that its business associate (BA) experienced a ransomware attack that compromised the electronic protected health information (ePHI) of 2,841 individuals. The ePHI involved included names, addresses, dates of birth, and health insurance information. The BA notified law enforcement; the CE notified HHS, affected individuals, the media, and provided substitute notice.
2026-09-25 · attack: unknown to hacking · backfill source
2026-09-25 · data_types: [] to ["names","health"] · backfill source
2026-09-25 · records_basis: empty to hhs · backfill source
2026-09-25 · records: empty to 2841 · backfill source
2026-09-25 · summary: empty to California Physicians’ Services dba Blue Shield of California, a covered entity (CE), reported that its business associate (BA) experienced a ransomware attack that compromised the electronic protected health information (ePHI) of 2,841 ind · backfill source
2026-09-25 · disclosed: 2021-12-13 to 2020-11-06 · backfill source
