MalwareTechnologyInformationRansomwareVulnerability ExploitData ExfiltratedData EncryptedCustomer Data InvolvedTargetedIdentity (basic)Government IDFinancial accountCriticalContained

Marquis Software Solutions, Inc.

bd_16eff6ebe136f69f · schema v1 · pii pii-v1

Severity

Critical

Discovered

Aug 14, 2025

Filed

Nov 26, 2025

To disclose

15 weeks

Affected

269,773state residents only

Linked

20 filings

Confidence

71%

Full breach record for Marquis Software Solutions, Inc. →5 incidents on file

Marquis Software Solutions, Inc. reported a ransomware attack on its network in Washington state. Unauthorized access occurred via a SonicWall firewall on August 14, 2025, leading to data encryption and exfiltration. Affected data included names, SSNs, and financial account info for Washington residents. Notifications began November 26, 2025.

J jump to incidentP pin to compareR raw source

Washington clock✗ WA AG >90d15 weeks discovery → filing

⚠ occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.

Incident timeline

discovery → filing · 15 weeks / 104 days

Aug 14, 2025

Begins

Aug 14, 2025

Discovered

Nov 26, 2025

Filed

vs. sector median

4 wks faster

This filing is one of 20 about the same incident.View merged incident

Part of Marquis Software Solutions, Inc. supply-chain incident (2025) — a supply-chain cascade affecting multiple organizations.View cascade →

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Maine State AGbd_125c270075864cd92025-12-02 · +6dVerified
California State AGbd_585c0df55a8ee5582025-12-02 · +6dVerified
Oregon State AGbd_f38f456e451eb3742025-12-15 · +19dVerified
New Hampshire State AGbd_e24c796a906bacca2025-12-26 · +30dVerified

Show 6 more filings ↓up to 117d gap

New Hampshire State AGbd_71f70739546a44c32026-02-11 · +77dVerified by operator
California State AGbd_f5765c41630ad2642026-02-11 · +77dVerified by operator
Vermont State AGbd_169927bcdd189b0d2026-03-16 · +110dVerified
California State AGbd_1d9640ddb1ce649d2026-03-16 · +110dVerified
Maine State AGbd_1a8018e5fbd9c9f22026-03-17 · +111dVerified
New Hampshire State AGbd_8dc11eb2de4d50f12026-03-23 · +117dVerified

Showing first 10 of 19 linked disclosures.

Name: GOODWIN PROCTER LLP
norm: goodwin procter
Domain: goodwinlaw.com

Name: Marquis Software Solutions, Inc.
norm: marquis software
Industry: Technologyllm

Discovered: Aug 14, 2025
Breach occurred: Aug 14, 2025 – Sep 4, 2025
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Nov 26, 2025
Affected individuals: 269,773state-resident count only
Data types: Identity (basic)Government IDFinancial account
Data elements: NameSocial Security numberFinancial account numberDate of birth
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 ImpactT1190 Exploit Public-Facing ApplicationT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified Washington State Office of the Attorney General
Initial access: exploit_public_facing

During the incident: Launched an investigation
Engaged cybersecurity experts through legal counsel
Federal law enforcement was also notified
Conducted a thorough review of the files potentially accessed
Implemented additional security technologies and processes
Changes made: Implemented additional security technologies and processes to bolster overall security
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 15 weeks(104 days from discovery to filing)
Compliance flags: WA AG >90d
Discovery-date grounding: occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 6 states

View merged incident ↗

Washington State AGNov 26 · first · this page

Maine State AG+6d

California State AG+6d

Oregon State AG+19d

New Hampshire State AG+30d

New Hampshire State AG+77d

California State AG+77d

Vermont State AG+110d

California State AG+110d

Maine State AG+111d

New Hampshire State AG+117d

Pattern: first filing Nov 26 (WA), last Mar 23 (NH) — a 117-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 19 — 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/BreachA35684.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 26, 2025
Raw hash: 6d1fbb9334c14c39a3bd8a3505ae518f5476e9f09dbe582f78047c78617b2bb5

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityGOODWIN PROCTER LLP

Victim entityMarquis Software Solutions, Inc.

Incidentdiscovered Aug 14, 2025

Stated responseLaunched an investigation

ComplianceWA AG >90d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com