HackingHealthcareHealthcareData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Clarinda Regional Health Center

bd_37dfc805ee34f57c · schema v1 · pii pii-v1

Severity

Medium

Discovered

Dec 15, 2025

Filed

Jun 1, 2026

To disclose

24 weeks

Affected

1state residents only

Linked

8 filings

Confidence

66%

Full breach record for Clarinda Regional Health Center →

Clarinda Regional Health Center notified the NH Attorney General of a security incident discovered Dec 15, 2025, involving unauthorized access to files in Oct 2025. One NH resident's name and SSN were potentially exposed. The company engaged cybersecurity experts, provided 12 months of credit monitoring via TransUnion, and offered identity theft guidance.

J jump to incidentP pin to compareR raw source

Leak gap clock✗ Leak >180d24 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 75 days

discovery → filing · 24 weeks / 168 days

Oct 1, 2025

Begins

Dec 15, 2025

Discovered

Jun 1, 2026

Filed

vs. sector median

+12 wks slower

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

Nebraska State AGbd_1e4563862efc63372026-06-01Verified by operator
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
Industry: Healthcarellm

Discovered: Dec 15, 2025
Breach occurred: Oct 1, 2025 – Oct 31, 2025
Undetected for: 75 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jun 1, 2026
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Regulator citations: Notified New Hampshire Attorney General
Initial access: exploit_public_facing

During the incident: Engaged cybersecurity experts to assist with the process
Provided access to credit monitoring services for 12 months through TransUnion
Provided 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.

Time to disclose: 24 weeks(168 days from discovery to filing)
Compliance flags: Leak >180d
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 7 filings · 6 states

View merged incident ↗

HHS OCRMar 25 · first

Nebraska State AG+68d

Iowa State AG+68d

New Hampshire 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://mm.nh.gov/files/uploads/doj/remote-docs/clarinda-regional-health-center-20260601.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: 04f812bd6e1afd429e6084bdbc9744d13981551b2d4e36067183dfc5b0ef32f1

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 responseEngaged cybersecurity experts to assist with the process

ComplianceLeak >180d

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov