HackingHealthcareHealthcareStolen CredentialsCapture Stored DataData ExfiltratedCustomer Data InvolvedDelayed DiscoveryIdentity (basic)Government IDFinancial accountHealth (basic)PHIAuthenticationHighContained

Clarinda Regional Health Center

bd_c83dd89c82f2e71d · schema v1 · pii pii-v1

Severity

High

Discovered

Dec 15, 2025

Filed

Jun 1, 2026

To disclose

24 weeks

Affected

21,062state residents only

Linked

8 records

Confidence

66%

Full breach record for Clarinda Regional Health Center →

Clarinda Regional Health Center notified Iowa AG of a data incident affecting ~21,062 residents. Unauthorized access occurred in Oct 2025; discovered Dec 15, 2025. Exposed data included names, SSNs, driver's licenses, financial account numbers, biometric data, and PHI. Credit monitoring offered for 12 months.

J jump to incidentP pin to compareR raw source

Leak gap clock⏱ Leak >90d24 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

+15 wks slower

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

A leak claim by lockbit5 about this victim was first seen 164 days before this filing.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
New Hampshire State AGbd_37dfc805ee34f57c2026-06-01Verified
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: Constangy, Brooks, Smith & Prophete LLP
norm: constangy brooks smith prophete
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
Undetected for: 75 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jun 1, 2026
Affected individuals: 21,062state-resident count only
Data types: Identity (basic)Government IDFinancial accountHealth (basic)PHIAuthentication
Data elements: Social Security numberMedical information
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: ExternalFinancial
Regulator citations: Notified Iowa Attorney General
Initial access: valid_credentials

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
Advised individuals to report any suspected incidents of identity theft or fraud to their credit card company and/or bank
Provided information on how to place a fraud alert and security freeze on one’s credit file
Provided information on protecting against tax fraud
Provided contact details for the national consumer reporting agencies
Encouraged contact with the Federal Trade Commission, their state Attorney General, and law enforcement
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 >90dIA AG ≤5 bday
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

New Hampshire State AG+68d

Iowa 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://www.iowaattorneygeneral.gov/media/cms/612026_Clarinda_Regional_Health_Cen_B412C0BEAA156.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: bff5420fc5ef917a8075a09602d85dd2b955e03f866d8c770a8f4c2eb0777d24

Linked disclosures

Ransomware claims (1)

Regulatory filings (6) · sorted by filing gap

Reporting entityConstangy, Brooks, Smith & Prophete LLP

Victim entityClarinda Regional Health Center

Incidentdiscovered Dec 15, 2025

Stated responseEngaged cybersecurity experts to assist with the process

ComplianceLeak >90d

Extraction provenanceno artifact recorded

Source provenancewww.iowaattorneygeneral.gov