HackingHealthcareHealthcareData ExfiltratedIdentity (basic)PHIHealth (basic)LowContained

Western Montana Mental Health Center

bd_48f24baf2ecae00e · schema v1 · pii pii-v1

Severity

Low

Discovered

Sep 15, 2024

Filed

Jul 17, 2025

To disclose

44 weeks

Affected

Not disclosed

Linked

7 filings

Confidence

67%

Full breach record for Western Montana Mental Health Center →2 incidents on file

Western Montana Mental Health Center notified consumers of a data security incident discovered on September 15, 2024. Unauthorized access to files containing personal and protected health information (PHI) and names was confirmed. The organization engaged cybersecurity experts, notified the FBI, and offered complimentary identity protection services. No evidence of misuse was found. The specific number of affected individuals was not disclosed in the notice.

J jump to incidentP pin to compareR raw source

Vermont clock✗ VT AG >45 bday44 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

discovery → filing · 44 weeks / 305 days

Sep 15, 2024

Discovered

Jul 17, 2025

Filed

vs. sector median

+35 wks slower

This filing is one of 7 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (6) · sorted by filing gap

Montana State AGbd_302a8478f032d5e02025-07-17Candidate
Nebraska State AGbd_3e621ed6b0cebeef2025-07-17Verified
Indiana State AGbd_6ec13e1ebb9b4d082025-07-17Verified
Maine State AGbd_154ae35704eb43312025-07-18 · +1dVerified by operator

Show 2 more filings ↓up to 1d gap

Massachusetts State AGbd_67a72bd7f639a7b72025-07-18 · +1dVerified
New Hampshire State AGbd_c165bdbada433eae2025-07-18 · +1dVerified

Name: Western Montana Mental Health Center
norm: western montana mental health center

Name: Western Montana Mental Health Center
norm: western montana mental health center
Industry: Healthcarellm

Discovered: Sep 15, 2024
Materiality determined: —
Notification sent: Jul 17, 2025
Affected individuals: Not disclosed
Data types: Identity (basic)PHIHealth (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1119 Automated Collection
Threat actor: External
Regulator citations: Notified the Federal Bureau of Investigation
Initial access: exploit_public_facing

During the incident: Initiated an investigation of the matter with the assistance of independent cybersecurity experts
Engaged a third-party data review team to conduct a comprehensive review of those files
Notified the Federal Bureau of Investigation
Offering you complimentary identity protection services through IDX
Changes made: Implemented measures to enhance security and minimize the risk of a similar incident occurring in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 44 weeks(305 days from discovery to filing)
Compliance flags: VT AG >45 bday
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 7 filings · 7 states

View merged incident ↗

Montana State AGJul 17 · first

Nebraska State AGJul 17 · first

Indiana State AGJul 17 · first

Vermont State AGJul 17 · first · this page

Maine State AG+1d

Massachusetts State AG+1d

New Hampshire State AG+1d

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source URL: https://ago.vermont.gov/document/2025-07-17-western-montana-mental-health-center-data-breach-notice-consumers
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 17, 2025
Raw hash: dddc2393d9708706265e649395c52598389cffdf601f9a9e723a12dd0744eec9

Linked disclosures

Regulatory filings (6) · sorted by filing gap

Reporting entityWestern Montana Mental Health Center

Victim entityWestern Montana Mental Health Center

Incidentdiscovered Sep 15, 2024

Stated responseInitiated an investigation of the matter with the assistance of independent cybersecurity experts

ComplianceVT AG >45 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov