MalwareFinancial ServicesFinanceRansomwareRansom DemandedData EncryptedDelayed DiscoveryFinancial accountIdentity (basic)Government IDMedium

Check City

bd_875e66a8476671cf · schema v1 · pii pii-v1

Severity

Medium

Discovered

Apr 3, 2025

Filed

Mar 19, 2026

To disclose

50 weeks

Affected

716state residents only

Linked

6 filings

Confidence

95%

Full breach record for Check City →

Check City, a finance sector entity reported a ransomware incident to the Washington Attorney General. The organization became aware of the incident on 2025-04-03 and filed notice on 2026-03-19. 716 Washington residents were affected. 350 days elapsed between awareness and notification. 13 days to identify the breach. 0 days to contain the breach.

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Washington clock✗ WA AG >90d50 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

discovery → filing · 50 weeks / 350 days

Apr 3, 2025

Discovered

Mar 19, 2026

Filed

vs. sector median

+41 wks slower

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

A leak claim by cl0p about this victim predates this filing by 313 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitecl0pbd_fd99144efd6e4fb62025-05-09 · +313dVerified

Regulatory filings (4) · sorted by filing gap

Nebraska State AGbd_377d5b186af779922026-03-19Verified
California State AGbd_56ea5724c94cd7562026-03-19Candidate
Oregon State AGbd_6e86ba0cc47bf3322026-03-19Verified
Texas State AGbd_31875dab3377be582026-03-20 · +1dVerified

Name: Check City
norm: check city
Domain: checkcity.com

Name: Check City
norm: check city
Domain: checkcity.com
Industry: Financial Servicesllm

Discovered: Apr 3, 2025
Materiality determined: —
Notification sent: —
Affected individuals: 716state-resident count only
Data types: —
Data elements: NameSocial Security numberDriver's licence numberFinancial account numberDate of birth
WA-stated cause: Cyberattack
WA-stated duration: lifecycle 1-99dexposure 1-99d
WA-stated discovery: Found while ongoingContained same day
Attack vector: Ransomware
Threat actor: ExternalFinancial

Time to disclose: 50 weeks(350 days from discovery to filing)
Compliance flags: WA AG >90dLeak >180d
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 · 5 filings · 5 states

View merged incident ↗

Nebraska State AGMar 19 · first

California State AGMar 19 · first

Oregon State AGMar 19 · first

Washington State AGMar 19 · first · this page

Texas 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://data.wa.gov/resource/sb4j-ca4h.json?id=23175
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 19, 2026
Raw hash: 7eeff8afa5a709a420b2fe589b8c5f223c55763efa87647a2957616732c73dab

Linked disclosures

Ransomware claims (1)

Regulatory filings (4) · sorted by filing gap

Reporting entityCheck City

Victim entityCheck City

Incidentdiscovered Apr 3, 2025

ComplianceWA AG >90d

Extraction provenanceno artifact recorded

Source provenancedata.wa.gov