Advanced Care Hospital of Montana
Disclosed Apr 2, 20242 years ago2,331 affectedConfirmed
The covered entity (CE), Advanced Care Hospital of Montana, reported that it experienced a ransomware incident that affected the protected health information (PHI) of 2,331 individuals. The PHI involved included names, dates of birth, Social Security and drivers’ license numbers, addresses, claims information, medications, diagnoses/conditions, 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 offered free credit monitoring to affected individuals and implemented additional administrative, technical, and security safeguards. Staff were also retrained in its requirements to protect and secure PHI.
What is known
| People affected | 2,331 (as reported to HHS) |
|---|---|
| Disclosed | Apr 2, 2024 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| HHS OCR breach report (archive, resolved): Advanced Care Hospital of Montana (Healthcare Provider, MT)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| HHS archivetotal | Apr 2, 2024 | 2,331 |
History of this record
- 2026-09-25 · added · backfill source
First seen 2026-09-25 (HHS archive), confirmed by HHS OCR. Record counts are as reported. Not legal advice.