Sierra Management Group: data breach filings, state by state
Sierra Management Group has 2 data breach filings on record in 2 government portals. The latest was reported to California AG on Jun 29, 2026. Data exposed, as filed: Postal address, Medical / health information.
1,279people in total, as reported to HHS OCR on Jun 7, 2026
2filings in 2 government portals
Jun 29, 2026latest filing, California AG
By portal
| Portal | Filings | Latest report | People in the latest filing |
|---|---|---|---|
| California AG | 1 | Jun 29, 2026 | Not published |
| HHS OCR | 1 | Jun 7, 2026 | 1,279 in total |
Counts are the organization's own, as filed with each agency. Most state portals count their own residents only, so no single state shows the whole incident. An organization can file more than once for the same incident, and for different ones.
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Every filing
| Organization | State | Reported | Residents affected |
|---|---|---|---|
| Sierra Management Group | CA | Jun 29, 2026 | Not published |
| Sierra Management Group | US | Jun 7, 2026 | 1,279 |
Data reproduced from public government filings. Each row opens the record with the agency link. Spot an error? Email support@breachtally.com with the page link. Corrections are applied and noted.