HackingHealthcareHealthcareCustomer Data InvolvedEmployee Data InvolvedPHIIdentity (basic)Government IDHealth (basic)MediumContained

Kootenai Health

bd_7207145d3a1eee73 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Mar 2, 2024

Filed

Aug 12, 2024

To disclose

23 weeks

Affected

Not disclosed

Linked

11 filings

Confidence

65%

Full breach record for Kootenai Health →

Kootenai Health notified the California Attorney General of a data security incident. On March 2, 2024, the organization became aware of unusual activity disrupting IT systems. Investigation revealed an unknown actor may have gained unauthorized access to network data on or about February 22, 2024. Affected information may include names, dates of birth, Social Security numbers, driver's license numbers, medical record numbers, treatment information, diagnoses, medication info, and health insurance information. Kootenai Health engaged cybersecurity experts, notified the FBI, and is offering credit monitoring services.

J jump to incidentP pin to compareR raw source

California clockDiscovered Mar 2, 2024 → Notified Aug 12, 2024163d ✗ CA 60-day late23 weeks discovery → filing

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

A leak claim by threeam about this victim predates this filing by 139 days.View originating leak claim

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
Maine State AGbd_bbd64450e7d998702024-08-12Verified by operator
Indiana State AGbd_c536f51a1acc533b2024-08-12Verified by operator
Montana State AGbd_c76c2ab47183bfe82024-08-12Verified 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 – Mar 2, 2024
Undetected for: 9 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 12, 2024
Affected individuals: Not disclosed
Data types: PHIIdentity (basic)Government IDHealth (basic)
Data elements: Social Security numberDate of birthMedical information
Attack vector: Unknown
Threat actor: External
Regulator citations: Notified the Federal Bureau of Investigation

During the incident: Took steps to secure our digital environment
Engaged leading cybersecurity experts to assist with an investigation
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: CA 60-day late · 163dLeak >90d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.
Clock breakdown: Statute Window Elapsed Threshold Status
California
Discovered: Mar 2, 2024
→ Notified: Aug 12, 2024
163d 60 days (analyst band, pre-2026 discoveries) CA 60-day late

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Mar 2, 2024 → Notified: Aug 12, 2024	163d	60 days (analyst band, pre-2026 discoveries)	CA 60-day late

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

Maine State AG+110d

Indiana State AG+110d

Montana State AG+110d

California 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://oag.ca.gov/ecrime/databreach/reports/sb24-590144
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: 770f9009a57e3c5bcb25c39e656007908cfe48a85a7ef33c0da9140be506d940

Linked disclosures

Ransomware claims (1)

Regulatory filings (9) · sorted by filing gap

Reporting entityKootenai Health

Victim entityKootenai Health

Incidentdiscovered Mar 2, 2024

Stated responseTook steps to secure our digital environment

ComplianceCA 60-day late

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov