MalwareHealthcareProfessional ServicesHealthcareRansomwareData ExfiltratedData EncryptedCustomer Data InvolvedFinancial accountHealth (basic)Identity (basic)Government IDPHIPIIHighContained

NAHGA Claim Services

bd_cc6b9228066389ef · schema v1 · pii pii-v1

Severity

High

Discovered

Apr 10, 2025

Filed

Dec 15, 2025

To disclose

36 weeks

Affected

1,621state residents only

Linked

21 filings

Confidence

70%

Full breach record for NAHGA Claim Services →

NAHGA Claim Services notified the Washington AG of a ransomware incident occurring April 8-11, 2025, discovered April 10, 2025. 1,621 WA residents affected. Data included names, SSNs, driver's licenses, financial account numbers, and health info. NAHGA engaged forensic experts, notified partners, and provided 12 months of credit monitoring via IDX.

J jump to incidentP pin to compareR raw source

Washington clock✗ WA AG >90d36 weeks discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 2 days

discovery → filing · 36 weeks / 249 days

Apr 8, 2025

Begins

Apr 10, 2025

Discovered

Dec 15, 2025

Filed

vs. sector median

+25 wks slower

This filing is one of 21 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Massachusetts State AGbd_3a50658eaec3f1652025-12-15Verified
Vermont State AGbd_56c28fd2b98df6492025-12-15Verified
California State AGbd_a48a5bd5ccec93d82025-12-15Verified
Oregon State AGbd_af877aacbf143c172025-12-15Verified

Show 6 more filings ↓up to 10d gap

Texas State AGbd_5ab38457ba2b92562025-12-16 · +1dVerified
New Hampshire State AGbd_3f17cde9476329552025-12-12 · +3dVerified
South Carolina State AGbd_7751d3f04a1381012025-12-12 · +3dVerified
Maine State AGbd_c7503f6c29bb2b5f2025-12-12 · +3dVerified
Iowa State AGbd_0024d349c6ebceab2025-12-11 · +4dVerified
Nebraska State AGbd_cf36139ac62b5fd02025-12-05 · +10dVerified

Showing first 10 of 20 linked disclosures.

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

Name: NAHGA Claim Services
norm: nahga claim
Industry: HealthcarellmProfessional Servicesllm

Discovered: Apr 10, 2025
Breach occurred: Apr 8, 2025 – Apr 11, 2025
Undetected for: 2 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 5, 2025
Affected individuals: 1,621state-resident count only
Data types: Identity (basic)Government IDFinancial accountHealth (basic)PII
Data elements: NameSocial Security numberDriver's licence numberFinancial account numberDate of birthPassport numberHealth insurance IDMedical information
WA-stated cause: Cyberattack
WA-stated duration: lifecycle 1-99dexposure 1-99d
WA-stated discovery: Found while ongoing
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Filed Notice of Data Security Incident with Washington Attorney General

During the incident: Engaged independent cybersecurity experts to assist with a comprehensive investigation
Undertook a comprehensive review of all potentially affected data
Provided notification to partner organizations
Established a toll-free call center through IDX
Provided notified individuals with access to 12 months of free credit monitoring and identity protection services through IDX
Changes made: Implemented security measures to further enhance its network security
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 36 weeks(249 days from discovery to filing)
Compliance flags: WA AG >90d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 11 states

View merged incident ↗

Nebraska State AGDec 5 · first

Iowa State AG+6d

New Hampshire State AG+7d

South Carolina State AG+7d

Maine State AG+7d

Massachusetts State AG+10d

Vermont State AG+10d

California State AG+10d

Oregon State AG+10d

Washington State AG+10d · this page

Texas State AG+11d

Pattern: first filing Dec 5 (NE), last Dec 16 (TX) — a 11-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 20 — the full spread may be wider.

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://agportal-s3bucket.s3.amazonaws.com/databreach/BreachA35874.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 15, 2025
Raw hash: 3ce281315e0f7d49b4ab46a02dc5c0e47df21ba3c19e4930991a15be19158d8c

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityConstangy, Brooks, Smith & Prophete, LLP

Victim entityNAHGA Claim Services

Incidentdiscovered Apr 10, 2025

Stated responseEngaged independent cybersecurity experts to assist with a comprehensive investigation

ComplianceWA AG >90d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com