MalwareProfessional ServicesProfessional ServicesRansomwareRansom DemandedData EncryptedDelayed DiscoveryFinancial accountIdentity (basic)Government IDPHIMedium

Quatrro Business Support Services, Inc.

bd_046d408e4d7958cf · schema v1 · pii pii-v2

Severity

Medium

Discovered

Dec 7, 2025

Filed

Sep 9, 2026

To disclose

39 weeks

Affected

10,008state residents only

Linked

5 filings

Confidence

95%

Full breach record for Quatrro Business Support Services, Inc. →2 incidents on file

Quatrro Business Support Services, Inc., a business sector entity reported a ransomware incident to the Washington Attorney General. The organization became aware of the incident on 2025-12-07 and filed notice on 2026-09-09. 10,008 Washington residents were affected. 276 days elapsed between awareness and notification. 26 days to identify the breach. 0 days to contain the breach.

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Washington clock✗ WA AG >90d39 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 · 39 weeks / 276 days

Dec 7, 2025

Discovered

Sep 9, 2026

Filed

vs. sector median

+22 wks slower

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Oregon State AGbd_b7332845c87554b82026-09-09Verified
California State AGbd_babb49f6339a98ac2026-09-09Verified
Vermont State AGbd_dfeaa72bcad50f962026-09-09Candidate
South Carolina State AGbd_4bfd9b46b32c693b2026-09-10 · +1dVerified

Name: Quatrro Business Support Services, Inc.
norm: quatrro business support

Name: Quatrro Business Support Services, Inc.
norm: quatrro business support
Industry: Professional Servicesllm

Discovered: Dec 7, 2025
Materiality determined: —
Notification sent: —
Affected individuals: 10,008state-resident count only
Data types: Financial accountIdentity (basic)Government IDPHI
WA-stated cause: Cyberattack
WA-stated duration: lifecycle 1-99dexposure 1-99d
WA-stated discovery: Found after the fact
Attack vector: Ransomware
Threat actor: ExternalFinancial

Time to disclose: 39 weeks(276 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 · 5 filings · 5 states

View merged incident ↗

Oregon State AGSep 9 · first

California State AGSep 9 · first

Vermont State AGSep 9 · first

Washington State AGSep 9 · first · this page

South Carolina 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=25429
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 9, 2026
Raw hash: ba6adbe73f509fdad92b4b8f1326404c0d752e9b0c0e85a6e8e088d782d5cb1a

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityQuatrro Business Support Services, Inc.

Victim entityQuatrro Business Support Services, Inc.

Incidentdiscovered Dec 7, 2025

ComplianceWA AG >90d

Extraction provenanceno artifact recorded

Source provenancedata.wa.gov