MONTANASocial EngineeringHealthcareHealthcarePHIHealth (basic)Identity (basic)MediumContained

Western Montana Clinic

bd_04cf631e08accb01 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Aug 1, 2025

To disclose

—

Affected

8,255

Linked

2 filings

Confidence

69%

Full breach record for Western Montana Clinic →2 incidents on file

Western Montana Clinic PC reported to HHS on 2025-08-01 a Hacking/IT Incident affecting 8255 individuals. Breached information located on Email. Employees were targets of an email phishing scheme affecting PHI including clinical and demographic information. The CE implemented additional safeguards and retrained workforce members.

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HIPAA clock✓ HHS notified

⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

⚠ No discovery dateThe OCR public portal omits the discovery date, so the 60-day notification clock cannot be evaluated from this source — only that the filing was submitted.

Incident timeline — partial

? — ?

Breach window unknown

Aug 1, 2025

Filed

No interval is drawn: no breach start or discovery date is on record for this filing.

This filing is one of 2 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Montana State AGbd_2bbdd83ea2ffc91c2025-08-01Verified

Name: Western Montana Clinic
norm: western montana clinic
Industry: Health Care Services

Name: Western Montana Clinic
norm: western montana clinic
Industry: Healthcaresource default

Discovered: Not extracted — the OCR public portal omits it
Materiality determined: —
Notification sent: —
Affected individuals: 8,255nationwide
Data types: PHIHealth (basic)Identity (basic)
HHS breach type: Hacking / IT incident
Where the data lived: Email
Covered-entity type: Healthcare provider
Attack vector: Unauthorized Access
MITRE ATT&CK: T1566.002 Spearphishing Link
Threat actor: External
Regulator citations: Notified HHS
Initial access: phishing_link

During the incident: Notified HHS
Notified affected individuals
Notified the media
Posted substitute notice on its website
Implemented additional administrative, technical, and security safeguards
Retrained workforce members to better protect its PHI
Changes made: Implemented additional administrative, technical, and security safeguards
Retrained workforce members to better protect its PHI
Source: Quoted from the filing itself, not independently verified.

Compliance flags: HHS notified
Discovery-date grounding: no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.
Clock breakdown: Statute Window Elapsed Threshold Status
HIPAA
Discovered: not extracted
→ Notified: not extracted
— regulatory submission HHS notified

Statute	Window	Elapsed	Threshold	Status
HIPAA	Discovered: not extracted → Notified: not extracted	—	regulatory submission	HHS notified

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings

View merged incident ↗

Montana State AGAug 1 · first

HHS OCRAug 1 · first · this page

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://ocrportal.hhs.gov/ocr/breach/breach_report.jsf
DisclosureLens renders the full SEC/HHS filing inline below from the originating regulator’s public record (§4.5 fair report privilege).
Filed at: Aug 1, 2025
Raw hash: c6b9dd39a20d78a10d25bfc77606ab0f4d3715340643e99f1592baa012f27ded

AI-assisted summary above. The structured extract on this page was generated from the document below. Inspect the source to verify or correct any field.

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Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityWestern Montana Clinic

Victim entityWestern Montana Clinic

IncidentUnauthorized Access

Stated responseNotified HHS

ComplianceHHS notified

Extraction provenanceno artifact recorded

Source provenanceocrportal.hhs.gov

Source filing