SAC Health Systems
Disclosed May 10, 20215 years ago28,128 affectedConfirmed
The covered entity (CE), SAC Health Systems, reported that its business associate (BA) experienced a ransomware attack that affected the electronic protected health information (ePHI) of 28,128 individuals. The ePHI involved included names, addresses, Social Security numbers, financial and health insurance information, medications prescribed, and other treatment information. The CE notified HHS, affected individuals, and the media. In response to the breach, the CE terminated its business relationship with its BA.
What is known
| People affected | 28,128 (as reported to HHS) |
|---|---|
| Disclosed | May 10, 2021 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| HHS OCR breach report (archive, resolved): SAC Health Systems (Healthcare Provider, CA)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| HHS archivetotal | May 10, 2021 | 28,128 |
History of this record
- 2026-09-25 · added · backfill source
First seen 2026-09-25 (HHS archive), confirmed by HHS OCR. Record counts are as reported. Not legal advice.