HackingHealthcareHealthcareStolen CredentialsTargetedData ExfiltratedPIIIdentity (basic)LowContained

Elkhorn Valley Rehabilitation Hospital

bd_7712e66f2200a9a5 · schema v1 · pii pii-v1

Severity

Low

Discovered

Feb 1, 2024

Filed

Mar 29, 2024

To disclose

8 weeks

Affected

22state residents only

Linked

3 filings

Confidence

65%

Full breach record for Elkhorn Valley Rehabilitation Hospital →2 incidents on file

Elkhorn Valley Rehabilitation Hospital notified patients of a data breach where unauthorized access occurred between Jan 16 and Feb 4, 2024. Patient names and other PII were potentially accessed. The hospital isolated systems, engaged third-party forensic help, and notified law enforcement. Affected individuals are offered one year of credit monitoring.

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Incident timeline

undetected · 16 days

discovery → filing · 8 weeks / 57 days

Jan 16, 2024

Begins

Feb 1, 2024

Discovered

Mar 29, 2024

Filed

vs. sector median

4 wks faster

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

Indiana State AGbd_6a1bb539dfee2a9c2024-03-29Verified
HHS OCRbd_9a5c1e0127cdde972024-03-29Verified

Name: Elkhorn Valley Rehabilitation Hospital
norm: elkhorn valley rehabilitation hospital

Name: Elkhorn Valley Rehabilitation Hospital
norm: elkhorn valley rehabilitation hospital
Industry: Healthcarellm

Discovered: Feb 1, 2024
Breach occurred: Jan 16, 2024 – Feb 4, 2024
Undetected for: 16 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 22state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: External
Regulator citations: Communication with law enforcement
Initial access: valid_credentials

During the incident: Secured and isolated IT systems
Commenced an investigation with assistance from a third-party cybersecurity firm
Been in communication with law enforcement
Offering you a complimentary one-year membership to Identity Defense Complete
Changes made: Implemented additional safeguards and technical security measures to further protect and monitor our systems
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 weeks(57 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 · 3 states

View merged incident ↗

Indiana State AGMar 29 · first

HHS OCRMar 29 · first

Montana State AGMar 29 · 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://dojmt.gov/wp-content/uploads/OCP/Consumer-notification-letter-1248.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 29, 2024
Raw hash: fd79f7bdb5af4f43643a2bac5fbde1834e7b44a90f5b48c5f23c5210ba3ba93b

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityElkhorn Valley Rehabilitation Hospital

Victim entityElkhorn Valley Rehabilitation Hospital

Incidentdiscovered Feb 1, 2024

Stated responseSecured and isolated IT systems

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov