HackingHealthcareHealthcareData ExfiltratedTargetedPIIIdentity (basic)LowActive

Northern Colorado Rehabilitation Hospital

bd_ef6b0cadeac9f39a · schema v1 · pii pii-v1

Severity

Low

Discovered

Feb 1, 2024

Filed

Mar 29, 2024

To disclose

8 weeks

Affected

2state residents only

Linked

5 filings

Confidence

65%

Full breach record for Northern Colorado Rehabilitation Hospital →2 incidents on file

Northern Colorado Rehabilitation Hospital notified Montana residents of a data breach where unauthorized access occurred between Jan 16 and Feb 4, 2024. Patient PII was accessed. The hospital engaged third-party forensics and law enforcement, offering credit monitoring.

J jump to incidentP pin to compareR raw source

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

1 wks faster

This filing is one of 5 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

New Hampshire State AGbd_3b426135cb6637932024-03-29Verified
HHS OCRbd_ec53868282912c812024-03-29Verified by operator
Massachusetts State AGbd_1a7fd8c6a1bd97d42024-03-30 · +1dVerified by operator
Illinois State AGbd_ab79ac46c0d47a0e2024-03-01 · +28dVerified by operator

Name: Northern Colorado Rehabilitation Hospital
norm: northern colorado rehabilitation hospital

Name: Northern Colorado Rehabilitation Hospital
norm: northern colorado 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: 2state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: External
Regulator citations: In 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
In communication with law enforcement
Offering complimentary one-year membership to Identity Defense Complete
Changes made: Implemented additional safeguards and technical security measures to further protect and monitor 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 · 5 filings · 5 states

View merged incident ↗

Illinois State AGMar 1 · first

New Hampshire State AG+28d

HHS OCR+28d

Montana State AG+28d · this page

Massachusetts State AG+29d

Pattern: first filing Mar 1 (IL), last Mar 30 (MA) — a 29-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/OCP/Consumer-notification-letter-1247.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: 65959611f7340d523fbaa196cc328b894a0be946062233ca76f7fbc48b5fbb84

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityNorthern Colorado Rehabilitation Hospital

Victim entityNorthern Colorado Rehabilitation Hospital

Incidentdiscovered Feb 1, 2024

Stated responseSecured and isolated IT systems

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov