MisuseHealthcareHealthcarePrivilege AbuseEmployee Data InvolvedCustomer Data InvolvedPHIHealth (basic)Identity (basic)LowContained

McLean Hospital

bd_07cbd66df4b6536c · schema v1 · pii pii-v1

Severity

Low

Discovered

Oct 26, 2023

Filed

Jan 10, 2024

To disclose

11 weeks

Affected

2state residents only

Linked

2 filings

Confidence

64%

Full breach record for McLean Hospital →13 incidents on file

McLean Hospital notified Montana AG of an insider misuse incident involving two former employees who accessed and used patient PHI (names, DOB, medical records) between Sept 22-25, 2023 for unauthorized contact regarding a new facility. Discovered Oct 26, 2023. Data destroyed; no SSN/financial data involved.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 34 days

discovery → filing · 11 weeks / 76 days

Sep 22, 2023

Begins

Oct 26, 2023

Discovered

Jan 10, 2024

Filed

vs. sector median

+2 wks slower

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

Massachusetts State AGbd_dc95da7e5f28be062024-01-12 · +2dVerified

Name: McLean Hospital
norm: mclean hospital

Name: McLean Hospital
norm: mclean hospital
Industry: Healthcarellm

Discovered: Oct 26, 2023
Breach occurred: Sep 22, 2023 – Sep 25, 2023
Undetected for: 34 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jan 10, 2024
Affected individuals: 2state-resident count only
Data types: PHIHealth (basic)Identity (basic)
Attack vector: Insider
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: InternalSecondary
Regulator citations: Reporting this privacy matter to the U.S. Department of Health and Human Services Office of Civil Rights
Initial access: insider_action

During the incident: Conducted a review to learn more information
Reported concerns to the New Facility
Received assurances that information was physically destroyed
Reviewing other potential steps in response to this incident
Reporting this privacy matter to the U.S. Department of Health and Human Services Office of Civil Rights
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 11 weeks(76 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

Montana State AGJan 10 · first · this page

Massachusetts State AG+2d

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/Consumer-notification-letter-1013.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 10, 2024
Raw hash: fff70a6f585dc37a56462d2ac6afdd451de262a4309ec4209d36537866688e02

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityMcLean Hospital

Victim entityMcLean Hospital

Incidentdiscovered Oct 26, 2023

Stated responseConducted a review to learn more information

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov