HackingHealthcareHealthcareStolen CredentialsTargetedIdentity (basic)Health (basic)Financial accountLowContained

Roseland Community Hospital Association

bd_79175649153ef390 · schema v1 · pii pii-v1

Severity

Low

Discovered

Jun 2, 2024

Filed

Nov 12, 2024

To disclose

23 weeks

Affected

1state residents only

Linked

3 filings

Confidence

66%

Full breach record for Roseland Community Hospital Association →

Roseland Community Hospital Association notified Montana residents of a June 2, 2024 unauthorized access to its IT environment. The incident may have exposed names, DOBs, health/diagnosis info, and financial data. The company secured systems, engaged forensic investigators, and notified law enforcement.

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Incident timeline

discovery → filing · 23 weeks / 163 days

Jun 2, 2024

Begins

Jun 2, 2024

Discovered

Nov 12, 2024

Filed

vs. sector median

+12 wks slower

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

HHS OCRbd_3920d05e8372da8d2024-08-01 · +103dCandidate
Illinois State AGbd_576ce9e3de00b3fa2024-08-01 · +103dCandidate

Name: Roseland Community Hospital Association
norm: roseland community hospital

Name: Roseland Community Hospital Association
norm: roseland community hospital
Industry: Healthcarellm

Discovered: Jun 2, 2024
Breach occurred: Jun 2, 2024
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 1state-resident count only
Data types: Identity (basic)Health (basic)Financial account
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: External
Regulator citations: Notified law enforcement
Initial access: valid_credentials

During the incident: Initiated an investigation
Secured our systems
Contained the incident
Notified law enforcement
Engaged a third-party forensic firm to assist in the investigation
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 23 weeks(163 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 2 states

View merged incident ↗

HHS OCRAug 1 · first

Illinois State AGAug 1 · first

Montana State AG+103d · this page

Pattern: first filing Aug 1 (IL), last Nov 12 (MT) — a 103-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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/2025/01/Consumer-notification-letter-15.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 12, 2024
Raw hash: 1580f1c1d8879c15071dc9e39fed9e75b7b44cdf994881a88c97d294d56c9560

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityRoseland Community Hospital Association

Victim entityRoseland Community Hospital Association

Incidentdiscovered Jun 2, 2024

Stated responseInitiated an investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov