Health Management Systems of America
Disclosed Oct 27, 202511 months ago4,265 affectedConfirmed
What is known
| People affected | 4,265 (as reported by the organization) |
|---|---|
| Disclosed | Oct 27, 2025 |
| Happened | Nov 11, 2024 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| HHS OCR breach report: Health Management Systems of America (Healthcare Provider, MI)ocrportal.hhs.gov · Official notice | Official notice |
| Vermont Attorney General: 2026-03-22 Health Management Systems of America - Data Breach Notice to Consumersago.vermont.gov · Official notice | Official notice |
| Indiana Attorney General 2026 data breach report: Health Management Systems of Americain.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| HHS OCRtotal | Oct 27, 2025 | 4,213 |
| Indiana AGresidents of IN | Feb 9 | 3 |
| Vermont AGresidents of VT | Mar 22 |
History of this record
- 2026-09-25 · records_basis: hhs to organization · backfill source
- 2026-09-25 · records: 4213 to 4265 · backfill source
- 2026-09-25 · occurred: empty to 2024-11-11 · backfill source
- 2026-09-25 · source: empty to https://ago.vermont.gov/document/2026-03-22-health-management-systems-america-data-breach-notice-consumers · backfill source
- 2026-09-25 · added · backfill source
First seen 2026-09-25 (HHS OCR), confirmed by HHS OCR. Record counts are as reported. Not legal advice.