Choctaw Nation Health Service Authority
Disclosed Sep 27, 2019500 affectedConfirmed
The covered entity (CE), Choctaw Nation Health Service Authority, reported that an employee was the subject of an email phishing scheme that affected the protected health information (PHI) of 500 individuals. The PHI involved included names, Social Security numbers, dates of birth, diagnoses, medications, and other treatment information. The CE notified HHS, the affected individuals, the media, and provided substitute notice. In response to the breach, the CE provided complimentary credit monitoring services and implemented additional administrative, technical, and security safeguards to better protect its PHI.
What is known
| People affected | 500 (as reported to HHS) |
|---|---|
| Disclosed | Sep 27, 2019 |
| Attack | Hacking |
| Data exposed | NamesHealth |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
Notices filed
History of this record
First seen 2026-09-25 (HHS archive), confirmed by HHS OCR. Record counts are as reported. Not legal advice.