MONTANAMalwareHealthcareHealthcareMalware OtherCustomer Data InvolvedDelayed DiscoveryHealth (basic)Identity (basic)Government IDHighResolved

Acadia Montana Treatment Center

bd_70d818cfe9f49f4e · schema v1 · pii pii-v1

Severity

High

Discovered

—

Filed

May 17, 2019

To disclose

—

Affected

14,794

Linked

2 filings

Confidence

95%

Full breach record for Acadia Montana Treatment Center →

Acadia Montana Treatment Center (MT) reported to HHS on 2019-05-17 a Hacking/IT Incident affecting 14,794 individuals. An employee's computer was infected with malware, compromising ePHI stored in email systems. Exposed data included names, addresses, birthdates, drivers' license numbers, diagnoses/conditions, lab results, and medications prescribed. The CE notified HHS, affected individuals, and media, and remediated by retraining staff, implementing additional technical safeguards, and sanctioning the responsible workforce member.

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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

May 17, 2019

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_a8063f5374d22c832019-05-17Verified

Name: Acadia Montana Treatment Center
norm: acadia montana treatment center
Industry: Health Care Services

Name: Acadia Montana Treatment Center
norm: acadia montana treatment center
Industry: Health Care Services
Industry: Healthcaresource default

Discovered: Not extracted — the OCR public portal omits it
Materiality determined: —
Notification sent: —
Affected individuals: 14,794nationwide
Data types: Health (basic)Identity (basic)Government ID
HHS breach type: Hacking / IT incident
Where the data lived: Email
Covered-entity type: Healthcare provider
Attack vector: Unauthorized Access
MITRE ATT&CK: T1204 User ExecutionT1041 Exfiltration Over C2 Channel
Threat actor: External
Regulator citations: HHS OCR notified

During the incident: Notified HHS, affected individuals, and the media
Retrained workforce
Implemented additional technical safeguards
Sanctioned the workforce member responsible for the breach
Changes made: Workforce retraining
Additional technical safeguards implemented
Workforce member sanctioned
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 AGMay 17 · first

HHS OCRMay 17 · 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: May 17, 2019
Raw hash: e1450e4da78d60b640aeb009b86f0fd9f1614b27082fdfa7e16a8fa11c3d78c0

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 entityAcadia Montana Treatment Center

Victim entityAcadia Montana Treatment Center

IncidentUnauthorized Access

Stated responseNotified HHS, affected individuals, and the media

ComplianceHHS notified

Extraction provenanceno artifact recorded

Source provenanceocrportal.hhs.gov

Source filing