Breachesby GlyphCookeville Regional Medical Center
Disclosed Sep 12, 2025337,917 affectedConfirmed
The covered entity (CE), Cookeville Regional Medical Center, reported that it experienced a cyberattack that affected the protected health information (PHI) of 337,917 individuals. The PHI involved included clinical, demographic, and financial information. The CE notified HHS and the affected individuals. In response to the breach, the CE implemented additional administrative, technical, and security safeguards to better protect its PHI.
What is known
| People affected | 337,917 (as reported by the organization) |
|---|---|
| Disclosed | Sep 12, 2025 |
| Discovered | Mar 16, 2026 |
| Happened | Jul 11, 2025 |
| Attack | Hacking |
| Data exposed | Social Security numbersGovernment IDsHealthInsuranceDates of birthAddressesNames |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
Notices filed
History of this record
unknown to hackingby backfillSource
2026-04-17 to 2025-09-12by backfillSource
empty to The covered entity (CE), Cookeville Regional Medical Center, reported that it experienced a cyberattack that affected the protected health information (PHI) of 337,917 individuals. The PHI involved included clinical, demographic, and financby backfillSource
First recordedby backfillSource
First seen 2026-09-25 (Texas AG), confirmed by Texas AG. Record counts are as reported. Not legal advice.