HackingIdentity (basic)Government IDFinancial accountHealth (basic)MediumContained

Clarinda Regional Health Center

bd_1e4563862efc6337 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Dec 15, 2025

Filed

Jun 1, 2026

To disclose

—

Affected

655state residents only

Linked

8 filings

Confidence

66%

Full breach record for Clarinda Regional Health Center →

Clarinda Regional Health Center notified the Nebraska AG of a data incident affecting ~655 Nebraska residents. Unauthorized access to files occurred in or around October 2025; discovered Dec 15, 2025. Exposed data included names, SSNs, driver's licenses, health insurance, and medical info. Notices sent June 1, 2026. Credit monitoring provided via TransUnion.

J jump to incidentP pin to compareR raw source

Leak gap clock✗ Leak >180d

Incident timeline

undetected · 75 days

Oct 1, 2025

Begins

Dec 15, 2025

Discovered

Jun 1, 2026

Filed

This filing is one of 8 about the same incident.View merged incident

A leak claim by lockbit5 about this victim predates this filing by 236 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitelockbit5bd_f146826d713c3bc02025-10-08 · +236dVerified by operator

Regulatory filings (6) · sorted by filing gap

New Hampshire State AGbd_37dfc805ee34f57c2026-06-01Verified
Iowa State AGbd_c83dd89c82f2e71d2026-06-01Verified
Massachusetts State AGbd_5ab406081578f5a72026-06-03 · +2dCandidate
Maine State AGbd_8c15e8d2a940b2042026-06-03 · +2dVerified by operator

Show 2 more filings ↓up to 68d gap

Vermont State AGbd_9f404185e4333ea32026-06-03 · +2dVerified by operator
HHS OCRbd_563f62e663ef1c802026-03-25 · +68dVerified

Name: Clarinda Regional Health Center
norm: clarinda regional health center
Domain: clarindahealth.com

Name: Clarinda Regional Health Center
norm: clarinda regional health center
Domain: clarindahealth.com

Discovered: Dec 15, 2025
Breach occurred: Oct 1, 2025
Undetected for: 75 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jun 1, 2026
Affected individuals: 655state-resident count only
Data types: Identity (basic)Government IDFinancial accountHealth (basic)
Data elements: Social Security numberMedical information
Attack vector: Unauthorized Access
MITRE ATT&CK: T1119 Automated Collection
Threat actor: External
Regulator citations: Notified Nebraska Attorney General Consumer Protection Division

During the incident: Initiated an investigation of the matter
Engaged cybersecurity experts to assist with the process
Undertook a comprehensive review of those files
Provided access to credit monitoring services for 12 months through TransUnion
Providing impacted individuals with guidance on how to better protect against identity theft and fraud
Changes made: Implemented measures to enhance security and minimize the risk of a similar incident occurring in the future
Source: Quoted from the filing itself, not independently verified.

Compliance flags: Leak >180d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 7 filings · 6 states

View merged incident ↗

HHS OCRMar 25 · first

New Hampshire State AG+68d

Iowa State AG+68d

Nebraska State AG+68d · this page

Massachusetts State AG+70d

Maine State AG+70d

Vermont State AG+70d

Pattern: first filing Mar 25 (IA), last Jun 3 (VT) — a 70-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/6ada6511-5f94-4720-8ef2-4b0ebe24894d.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 1, 2026
Raw hash: 7553a25755afdaf2559c8e14f5a549040dea63c3f7243e28517ae1381865878e

Linked disclosures

Ransomware claims (1)

Regulatory filings (6) · sorted by filing gap

Reporting entityClarinda Regional Health Center

Victim entityClarinda Regional Health Center

Incidentdiscovered Dec 15, 2025

Stated responseInitiated an investigation of the matter

ComplianceLeak >180d

Extraction provenanceno artifact recorded

Source provenancenebraska.gov