- State
- WV
- Covered entity type
- Healthcare Provider
- Individuals affected
- 492,861
- 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), Monongalia Health System, reported that it was the victim of a ransomware attack affecting the protected health information (PHI) of 492,861 individuals. The PHI involved included names, addresses, Social Security numbers, health insurance and claims information, dates of birth, and other treatment information. The CE notified HHS, affected individuals, the media, and posted substitute notice on its website. In response to the breach, the CE implemented additional administrative and technical safeguards and provided complimentary credit monitoring services to affected individuals.
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.