Seneca Nation Health System
Disclosed Sep 6, 202416,879 affectedConfirmed
The covered entity (CE), Seneca Nation Health System, reported that it was the victim of a cybersecurity incident that affected the protected health information (PHI) of 16,879 individuals. The PHI involved included names, dates of birth, Social Security numbers, addresses, drivers’ license numbers, financial and claims information, diagnoses/conditions, lab results, medications, and treatment information. The CE notified HHS, the affected individuals, and the media. In response to the breach, the CE provided complimentary credit monitoring services to the affected individuals and implemented additional administrative, technical, and security safeguards to better protect its PHI.
What is known
| People affected | 16,879 (as reported to HHS) |
|---|---|
| Disclosed | Sep 6, 2024 |
| Attack | Hacking |
| Data exposed | NamesHealth |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
Notices filed
Other breaches at Seneca Nation Health System
History of this record
First seen 2026-09-25 (HHS archive), confirmed by HHS OCR. Record counts are as reported. Not legal advice.