Sierra Management Group data breach
Sierra Management Group reported a data breach to the U.S. HHS Office for Civil Rights in 2026, affecting 1,279 individuals.
| Organization | Sierra Management Group |
| Reporting authority | HHS OCR Breach Portal |
| State | CA |
| Entity type | Business Associate |
| Individuals affected | 1,279 |
| Date reported | 2026-06-07 |
| Type of breach | Hacking/IT Incident |
| Location of breached info | Network Server |
| Business associate involved | Yes |
| Status | Under Investigation |
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