HackingTechnologyProfessional ServicesInformationData ExfiltratedCustomer Data InvolvedPIIIdentity (basic)Government IDFinancial accountMediumContained

Marquis Software Solutions, Inc.

bd_585c0df55a8ee558 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 14, 2025

Filed

Dec 2, 2025

To disclose

16 weeks

Affected

Not disclosed

Linked

20 filings

Confidence

66%

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

Marquis Software Solutions reported a cybersecurity incident on August 14, 2025, where an unauthorized third party accessed their network and may have acquired files containing personal information. The company engaged cybersecurity experts and notified law enforcement. On October 27, 2025, they determined that affected data included names, addresses, and potentially Social Security numbers and financial account information. The company is offering complimentary identity protection services to affected individuals.

J jump to incidentP pin to compareR raw source

Incident timeline

discovery → filing · 16 weeks / 110 days

Aug 14, 2025

Begins

Aug 14, 2025

Discovered

Dec 2, 2025

Filed

vs. sector median

3 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_125c270075864cd92025-12-02Verified
Texas State AGbd_ce4934629feb28f42025-12-02Verified
Oregon State AGbd_f38f456e451eb3742025-12-15 · +13dVerified
New Hampshire State AGbd_e24c796a906bacca2025-12-26 · +24dVerified

Show 6 more filings ↓up to 111d gap

New Hampshire State AGbd_71f70739546a44c32026-02-11 · +71dVerified by operator
California State AGbd_f5765c41630ad2642026-02-11 · +71dVerified by operator
Vermont State AGbd_169927bcdd189b0d2026-03-16 · +104dVerified
California State AGbd_1d9640ddb1ce649d2026-03-16 · +104dVerified
Maine State AGbd_1a8018e5fbd9c9f22026-03-17 · +105dVerified
New Hampshire State AGbd_8dc11eb2de4d50f12026-03-23 · +111dVerified

Showing first 10 of 19 linked disclosures.

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

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

Discovered: Aug 14, 2025
Breach occurred: Aug 14, 2025
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: PIIIdentity (basic)Government IDFinancial account
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: External
Regulator citations: Notified law enforcement

During the incident: Launched an investigation
Engaged cybersecurity experts to assist
Notified law enforcement
Offering complimentary identity protection services through Epiq Privacy Solutions ID
Changes made: Taken steps to reduce the risk of this type of incident occurring in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 16 weeks(110 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 6 states

View merged incident ↗

Maine State AGDec 2 · first

Texas State AGDec 2 · first

California State AGDec 2 · first · this page

Oregon State AG+13d

New Hampshire State AG+24d

New Hampshire State AG+71d

California State AG+71d

Vermont State AG+104d

California State AG+104d

Maine State AG+105d

New Hampshire State AG+111d

Pattern: first filing Dec 2 (ME), last Mar 23 (NH) — a 111-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://oag.ca.gov/ecrime/databreach/reports/sb24-614933
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 2, 2025
Raw hash: c1314fecdf65d662f424337a53c5550985f08dcb6cd4e3a25afed8d0daf71b2e

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityMarquis Software Solutions, Inc.

Victim entityMarquis Software Solutions, Inc.

Incidentdiscovered Aug 14, 2025

Stated responseLaunched an investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov