California Physicians' Services
Disclosed Nov 6, 20202,841 affectedConfirmed
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.
What is known
| People affected | 2,841 (as reported to HHS) |
|---|---|
| Disclosed | Nov 6, 2020 |
| Happened | Jan 20, 2021 |
| Attack | Hacking |
| Data exposed | NamesHealth |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
Notices filed
Other breaches at California Physicians' Services
History of this record
unknown to hackingby backfillSource
[] to ["names","health"]by backfillSource
empty to hhsby backfillSource
empty to 2841by backfillSource
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 indby backfillSource
2021-12-13 to 2020-11-06by backfillSource
First recordedby backfillSource
First seen 2026-09-25 (California AG), confirmed by California AG. Record counts are as reported. Not legal advice.