Breachesby GlyphWestern Montana Mental Health Center
Disclosed Nov 14, 202486,758 affectedConfirmed
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.
What is known
| People affected | 86,758 (as reported by the organization) |
|---|---|
| Disclosed | Nov 14, 2024 |
| Happened | Sep 11, 2024 |
| Attack | Hacking |
| Data exposed | NamesHealth |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
Notices filed
History of this record
unknown to hackingby backfillSource
[] to ["names","health"]by backfillSource
2025-07-17 to 2024-11-14by backfillSource
empty to 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 individuby backfillSource
empty to organizationby backfillSource
empty to 86758by backfillSource
empty to 2024-09-11by backfillSource
First recordedby backfillSource
First seen 2026-09-25 (Vermont AG), confirmed by Vermont AG. Record counts are as reported. Not legal advice.