HHS OCR report ยท 2024
Western Montana Mental Health Center data breach
OCR report facts
- Covered entity
- Western Montana Mental Health Center
- Entity type
- Healthcare Provider
- State
- Montana
- Individuals affected
- 86,758
- Submission date
- Nov 14, 2024
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- Business associate present
- No
- Status
- Archive (closed)
OCR description
The covered entity (CE), Western Montana Mental Health Center, reported that it was the subject of a ransomware attack that affected the protected health information (PHI) of 86,758 individuals. The CE notified HHS and the affected individuals. In response to the breach, the CE implemented additional technical and security safeguards.
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Western Montana Mental Health Center data breach?
The report to HHS OCR lists 86,758 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Nov 14, 2024.
What type of breach was it?
The OCR portal lists the type of breach as Hacking/IT Incident, with the breached information located in: Network Server.
Is the investigation still open?
No. The report is in the OCR portal archive, which holds reports where OCR has closed its review.
Is a breach notice letter from Western Montana Mental Health Center legitimate?
This site cannot verify letters. Check the sender against the organisation's official website and the HHS OCR breach portal, and avoid calling numbers or clicking links only listed in an unexpected message. See our guide on what to do after a data breach notice.
Source: HHS OCR Breach Portal, OCR export October 2026. Network USA is not affiliated with HHS or Western Montana Mental Health Center.