HackingHealthcareHealthcareTargetedData ExfiltratedIdentity (basic)Government IDHealth (basic)PHIHighContained

Kootenai Health

bd_c76c2ab47183bfe8 · schema v1 · pii pii-v1

Severity

High

Discovered

Mar 2, 2024

Filed

Aug 12, 2024

To disclose

23 weeks

Affected

6,684state residents only

Linked

11 filings

Confidence

66%

Full breach record for Kootenai Health →

Kootenai Health notified Montana residents of a data security incident. Unauthorized access occurred on or about February 22, 2024, discovered on March 2, 2024. The incident may have exposed names, DOBs, SSNs, driver's licenses, and PHI. Kootenai Health engaged cybersecurity experts, notified the FBI, and offered credit monitoring.

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Incident timeline

undetected · 9 days

discovery → filing · 23 weeks / 163 days

Feb 22, 2024

Begins

Mar 2, 2024

Discovered

Aug 12, 2024

Filed

vs. sector median

+11 wks slower

This filing is one of 11 about the same incident.View merged incident

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitethreeambd_9bec957b67b78ee02024-03-25 · +140dVerified by operator

Regulatory filings (9) · sorted by filing gap

New Hampshire State AGbd_196109db99161bff2024-08-12Verified by operator
California State AGbd_7207145d3a1eee732024-08-12Verified by operator
Maine State AGbd_bbd64450e7d998702024-08-12Verified by operator
Indiana State AGbd_c536f51a1acc533b2024-08-12Verified by operator

Show 5 more filings ↓up to 110d gap

Washington State AGbd_9a0d2aaa103665ed2024-08-13 · +1dVerified by operator
Oregon State AGbd_e32a5cabcecf51a32024-08-13 · +1dVerified by operator
Massachusetts State AGbd_26ce553c58cb69262024-08-14 · +2dVerified by operator
Illinois State AGbd_d60e84d88ca3d0932024-08-01 · +11dVerified by operator
HHS OCRbd_12ca7637998f0d3a2024-04-24 · +110dVerified

Name: Kootenai Health
norm: kootenai health
Domain: kh.org

Name: Kootenai Health
norm: kootenai health
Domain: kh.org
Industry: Healthcarellm

Discovered: Mar 2, 2024
Breach occurred: Feb 22, 2024
Undetected for: 9 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 12, 2024
Affected individuals: 6,684state-resident count only
Data types: Identity (basic)Government IDHealth (basic)PHI
Data elements: Social Security numberDate of birthMedical information
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: Notified the Federal Bureau of Investigation

During the incident: Engaged leading cybersecurity experts to assist with an investigation
Took steps to secure our digital environment
Implemented additional security features to reduce the risk of a similar incident occurring in the future
Notified the Federal Bureau of Investigation
Offering complimentary credit monitoring and identity theft protection services through IDX
Changes made: Implemented additional security features to reduce the risk of a similar incident occurring in the future
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 · 10 filings · 10 states

View merged incident ↗

HHS OCRApr 24 · first

Illinois State AG+99d

New Hampshire State AG+110d

California State AG+110d

Maine State AG+110d

Indiana State AG+110d

Montana State AG+110d · this page

Washington State AG+111d

Oregon State AG+111d

Massachusetts State AG+112d

Pattern: first filing Apr 24 (ID), last Aug 14 (MA) — a 112-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-1586.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 12, 2024
Raw hash: b588d8821168fa9f10ab257661f000cc5d78b0d13585abc33c2096d8392b98ee

Linked disclosures

Ransomware claims (1)

Regulatory filings (9) · sorted by filing gap

Reporting entityKootenai Health

Victim entityKootenai Health

Incidentdiscovered Mar 2, 2024

Stated responseEngaged leading cybersecurity experts to assist with an investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov