HackingIdentity (basic)Government IDFinancial accountCredentialsHealth (basic)PHIMediumContained

Churchill Claims Services, Inc.

bd_8764e5ad5d719a86 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Sep 14, 2025

Filed

Apr 27, 2026

To disclose

—

Affected

4state residents only

Linked

6 filings

Confidence

67%

Full breach record for Churchill Claims Services, Inc. →2 incidents on file

Churchill Claims Services, Inc. notified the Nebraska Attorney General of a data security incident discovered on September 14, 2025. An unauthorized actor gained access to the network and potentially downloaded files containing personal information of 4 Nebraska residents, including names, SSNs, driver's license numbers, payment card numbers, credentials, and medical/health insurance information. Notifications were sent on April 27, 2026, offering credit monitoring services.

J jump to incidentP pin to compareR raw source

Leak gap clock✗ Leak >180d

Incident timeline

Sep 14, 2025

Discovered

Apr 27, 2026

Filed

This filing is one of 6 about the same incident.View merged incident

A leak claim by securotrop about this victim predates this filing by 199 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitesecurotropbd_f8817f2de5186b0e2025-10-09 · +200dVerified

Regulatory filings (4) · sorted by filing gap

New Hampshire State AGbd_533d0ae003a5405d2026-04-27Verified
Indiana State AGbd_a2237f9466e1fa702026-04-27Verified
Massachusetts State AGbd_28b153d3712f67fc2026-04-28 · +1dVerified by operator
Vermont State AGbd_2b2dc5068bbe5e922026-04-28 · +1dVerified

Name: Constangy, Brooks, Smith & Prophete, LLP
norm: constangy brooks smith prophete

Name: Churchill Claims Services, Inc.
norm: churchill claims
Domain: churchill-claims.com

Discovered: Sep 14, 2025
Materiality determined: —
Notification sent: Apr 27, 2026
Affected individuals: 4state-resident count only
Data types: Identity (basic)Government IDFinancial accountCredentialsHealth (basic)PHI
Data elements: Social Security numberMedical information
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: External
Regulator citations: Notified Nebraska Attorney General
Initial access: valid_credentials

During the incident: Engaged independent cybersecurity experts
Implemented additional security measures to further harden its environment
Sent notification letters to affected individuals via USPS First Class Mail
Provided complimentary credit monitoring and identity theft protection services through TransUnion/Cyberscout
Changes made: Implemented additional security measures to further harden its environment
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 · 5 filings · 5 states

View merged incident ↗

New Hampshire State AGApr 27 · first

Indiana State AGApr 27 · first

Nebraska State AGApr 27 · first · this page

Massachusetts State AG+1d

Vermont State AG+1d

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/6ee9c040-f271-42d6-91d2-1cffa48d2009.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 27, 2026
Raw hash: 41cb64f8af3c6a84a16ec3daad0852230a63f96c0564eedd0b9b93301895aceb

Linked disclosures

Ransomware claims (1)

Regulatory filings (4) · sorted by filing gap

Reporting entityConstangy, Brooks, Smith & Prophete, LLP

Victim entityChurchill Claims Services, Inc.

Incidentdiscovered Sep 14, 2025

Stated responseEngaged independent cybersecurity experts

ComplianceLeak >180d

Extraction provenanceno artifact recorded

Source provenancenebraska.gov