Keystone Alliance
Disclosed Nov 26, 202510 months ago1,021 affectedConfirmed
What is known
| People affected | 1,021 (as reported to HHS) |
|---|---|
| Disclosed | Nov 26, 2025 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| HHS OCR breach report: Keystone Alliance (Business Associate, IL)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| HHS OCRtotal | Nov 26, 2025 | 1,021 |
History of this record
- 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.