Central California Alliance for Health
Disclosed Jul 2, 20206 years ago35,940 affectedConfirmed
The covered entity (CE), Central California Alliance for Health, reported that several employees were the victims of an email phishing scheme that affected the electronic protected health information (ePHI) of 35,940 individuals. The ePHI involved included names, addresses, dates of birth, claims information, diagnoses, lab results, medications prescribed, and other treatment information. The CE notified HHS, affected individuals, and the media. Upon discovery of the breach, the CE implemented additional administrative, technical, and security safeguards to better protect its ePHI. Employees were also retrained on the proper methods of identifying and responding to fraudulent email communications. During the investigation, OCR provided the CE with technical assistance regarding the HIPAA Security Rule.
What is known
| People affected | 35,940 (as reported to HHS) |
|---|---|
| Disclosed | Jul 2, 2020 |
| Happened | Apr 28, 2020 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| California Attorney General breach notice: Central California Alliance for Healthoag.ca.gov · Official notice | Official notice |
| HHS OCR breach report (archive, resolved): Central California Alliance for Health (Health Plan, CA)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| California AGresidents of CA | Jul 2, 2020 | |
| HHS archivetotal | Jul 2, 2020 | 35,940 |
| California AGresidents of CA | Mar 11, 2021 |
History of this record
- 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 35940 · backfill source
- 2026-09-25 · summary: empty to The covered entity (CE), Central California Alliance for Health, reported that several employees were the victims of an email phishing scheme that affected the electronic protected health information (ePHI) of 35,940 individuals. The ePHI i · backfill source
- 2026-09-25 · disclosed: 2021-03-11 to 2020-07-02 · backfill source
- 2026-09-25 · added · backfill source
First seen 2026-09-25 (California AG), confirmed by California AG. Record counts are as reported. Not legal advice.