Chickasaw Nation Department of Health
Disclosed Jun 11, 20263 months ago1,607 affectedConfirmed
What is known
| People affected | 1,607 (as reported to HHS) |
|---|---|
| Disclosed | Jun 11, 2026 |
| Attack | Insider |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| HHS OCR breach report: Chickasaw Nation Department of Health (Healthcare Provider, OK)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| HHS OCRtotal | Jun 11 | 1,607 |
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.