HackingIdentity (basic)Government IDFinancial accountHealth (basic)MediumContained

Central Kansas Mental Health Center

bd_3441640bf54db3f2 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Sep 26, 2025

Filed

Jun 24, 2026

To disclose

—

Affected

268state residents only

Linked

4 filings

Confidence

67%

Full breach record for Central Kansas Mental Health Center →2 incidents on file

Central Kansas Mental Health Center (CKMHC) notified the Nebraska Attorney General of a data security incident discovered on September 26, 2025. An unauthorized individual gained access to CKMHC systems, potentially accessing files containing names, SSNs, driver's license numbers, financial account info, and medical data. 268 Nebraska residents were notified on June 24, 2026. CKMHC engaged forensic experts, took the network offline, reset passwords, notified law enforcement, and offered 12 months of credit monitoring.

J jump to incidentP pin to compareR raw source

Incident timeline

Sep 26, 2025

Discovered

Jun 24, 2026

Filed

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Indiana State AGbd_42b7ba9053c1d9572026-06-24Verified
Texas State AGbd_3be0967537e5d8032026-06-25 · +1dCandidate
Illinois State AGbd_acf786d289c316a52026-06-01 · +23dVerified

Name: Central Kansas Mental Health Center
norm: central kansas mental health center
Domain: ckmhc.org

Name: Central Kansas Mental Health Center
norm: central kansas mental health center
Domain: ckmhc.org

Discovered: Sep 26, 2025
Materiality determined: —
Notification sent: Jun 24, 2026
Affected individuals: 268state-resident count only
Data types: Identity (basic)Government IDFinancial accountHealth (basic)
Data elements: Social Security numberDate of birthMedical information
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: notified its federal regulator, the Department of Health and Human Services Office of Civil Rights
Initial access: valid_credentials

During the incident: Implemented its incident response protocols
Took the network offline
Engaged external cybersecurity experts to conduct an investigation
Changed system and user passwords
Restored its systems
Notified law enforcement
Implemented additional endpoint threat detection tools in the network
Offered 12 months of credit monitoring and identity protection services through TransUnion
Changes made: Changed system and user passwords
Restored its systems
Implemented additional endpoint threat detection tools in the network
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Illinois State AGJun 1 · first

Indiana State AG+23d

Nebraska State AG+23d · this page

Texas State AG+24d

Pattern: first filing Jun 1 (IL), last Jun 25 (TX) — a 24-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://nebraska.gov/ago/data-breach/documents/c6acbebb-e7c7-4332-97c2-6b69bda79f60.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 24, 2026
Raw hash: 37ed3a7d4974f986e8171231140f3b736c98764200f058831fc8be97d5a20213

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityCentral Kansas Mental Health Center

Victim entityCentral Kansas Mental Health Center

Incidentdiscovered Sep 26, 2025

Stated responseImplemented its incident response protocols

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancenebraska.gov