Social EngineeringHealthcareHealthcarePhishingTargetedIdentity (basic)Government IDMediumContained

Advanced Care Hospital of Montana

bd_3a4cbdd8ccd3b3d1 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jul 1, 2019

Filed

Jan 24, 2020

To disclose

30 weeks

Affected

17state residents only

Confidence

67%

Full breach record for Advanced Care Hospital of Montana →4 incidents on file

Advanced Care Hospital of Montana notified individuals of unauthorized access to an employee email account in July 2019. The incident may have exposed names, dates of birth, and Social Security numbers. The organization offered one year of Experian IdentityWorks credit monitoring and enhanced email security training.

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Incident timeline

discovery → filing · 30 weeks / 207 days

Jul 1, 2019

Discovered

Jan 24, 2020

Filed

vs. sector median

+19 wks slower

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed17 affectedView incident

Name: Advanced Care Hospital of Montana
norm: advanced care hospital of montana

Name: Advanced Care Hospital of Montana
norm: advanced care hospital of montana
Industry: Healthcarellm

Discovered: Jul 1, 2019
Materiality determined: —
Notification sent: —
Affected individuals: 17state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing Link
Threat actor: ExternalFinancial
Initial access: phishing_link

During the incident: Offering a complimentary one-year membership of Experian IdentityWorks SM Credit 3B
Reinforcing education with our staff on email security
Working to enhance our email security tools
Changes made: Reinforcing education with our staff on email security
Working to enhance our email security tools
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 30 weeks(207 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

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://dojmt.gov/wp-content/uploads/OCP/Breach-NotificationDetails-106.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 24, 2020
Raw hash: 784f504590c1a1acca952ec27955b4e20c0c03c219c15c3b0ed8262db118922f

Reporting entityAdvanced Care Hospital of Montana

Victim entityAdvanced Care Hospital of Montana

Incidentdiscovered Jul 1, 2019

Stated responseOffering a complimentary one-year membership of Experian IdentityWorks SM Credit 3B

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov