Harper County Community Hospital
Disclosed May 24, 20215 years ago5,725 affectedConfirmed
The covered entity (CE), Harper County Community Hospital, reported that it was the victim of a ransomware attack affecting the protected health information (PHI) of 5,725 individuals. The PHI involved included names, addresses, dates of birth, Social Security numbers, health insurance information, and other treatment information. The CE notified HHS, affected individuals, the media, and provided substitute notice. In response to the breach, the CE implemented additional administrative, technical, and security safeguards.
What is known
| People affected | 5,725 (as reported to HHS) |
|---|---|
| Disclosed | May 24, 2021 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| HHS OCR breach report (archive, resolved): Harper County Community Hospital (Healthcare Provider, OK)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| HHS archivetotal | May 24, 2021 | 5,725 |
History of this record
- 2026-09-25 · added · backfill source
First seen 2026-09-25 (HHS archive), confirmed by HHS OCR. Record counts are as reported. Not legal advice.