- State
- OK
- Covered entity type
- Healthcare Provider
- Individuals affected
- 86,379
- Business associate present
- No
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- First seen by InfoSec Signals
- 9/23/2026
- Last seen in OCR export
- 9/23/2026
OCR description
The covered entity (CE), Duncan Regional Hospital reported that it was the victim of a ransomware attack affecting the protected health information (PHI) of 86,379 individuals. The PHI involved included names, dates of birth, Social Security numbers, addresses, drivers’ license numbers, diagnoses, and other treatment information. The CE notified HHS, affected individuals, the media, and provided substitute notice. In response to the breach, the CE provided complimentary credit monitoring services to affected individuals and added additional training on security awareness, implemented an enterprise-wide password reset, and implemented additional technical safeguards to protect its network.
Change history
- 9/23/2026Added to OCR's archive list
Source: U.S. Department of Health and Human Services, Office for Civil Rights, Breach Portal. Records are reproduced as published; entity names and figures are OCR's.