HackingTechnologyInformationCustomer Data InvolvedIdentity (basic)Government IDCriticalContained

Marquis Software Solutions, Inc.

bd_701088413ab13811 · schema v1 · pii pii-v1

Severity

Critical

Discovered

Aug 14, 2025

Filed

Nov 30, 2025

To disclose

15 weeks

Affected

223,447state residents only

Linked

20 filings

Confidence

64%

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

Marquis Software Solutions, Inc. disclosed a cybersecurity incident on August 14, 2025, where an unauthorized third party accessed its network and acquired files containing personal information. The breach affected customers of Marquis, a digital and physical marketing vendor. The company engaged cybersecurity experts and notified law enforcement. Affected individuals were offered 12 months of credit monitoring and identity protection services through Epiq Privacy Solutions.

J jump to incidentP pin to compareR raw source

South Carolina clock✓ SC CRA notice due15 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

discovery → filing · 15 weeks / 108 days

Aug 14, 2025

Discovered

Nov 30, 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_125c270075864cd92025-12-02 · +2dVerified
California State AGbd_585c0df55a8ee5582025-12-02 · +2dVerified
Oregon State AGbd_f38f456e451eb3742025-12-15 · +15dVerified
New Hampshire State AGbd_e24c796a906bacca2025-12-26 · +26dVerified

Show 6 more filings ↓up to 113d gap

New Hampshire State AGbd_71f70739546a44c32026-02-11 · +73dVerified by operator
California State AGbd_f5765c41630ad2642026-02-11 · +73dVerified by operator
Vermont State AGbd_169927bcdd189b0d2026-03-16 · +106dVerified
California State AGbd_1d9640ddb1ce649d2026-03-16 · +106dVerified
Maine State AGbd_1a8018e5fbd9c9f22026-03-17 · +107dVerified
New Hampshire State AGbd_8dc11eb2de4d50f12026-03-23 · +113dVerified

Showing first 10 of 19 linked disclosures.

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

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

Discovered: Aug 14, 2025
Materiality determined: —
Notification sent: Oct 27, 2025
Affected individuals: 223,447state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Regulator citations: notified law enforcement
Initial access: exploit_public_facing

During the incident: Launched an investigation
Engaged the appropriate cybersecurity experts to assist
Promptly notified law enforcement
Changes made: Offering you a complimentary 12 month membership of Epiq Privacy Solutions ID
Taking 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: 15 weeks(108 days from discovery to filing)
Compliance flags: SC CRA notice due
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 6 states

View merged incident ↗

South Carolina State AGNov 30 · first · this page

Maine State AG+2d

California State AG+2d

Oregon State AG+15d

New Hampshire State AG+26d

New Hampshire State AG+73d

California State AG+73d

Vermont State AG+106d

California State AG+106d

Maine State AG+107d

New Hampshire State AG+113d

Pattern: first filing Nov 30 (SC), last Mar 23 (NH) — a 113-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://consumer.sc.gov/sites/consumer/files/Documents/Security%20Breach%20Notices/2025/Consumer%20Letter%20-%20Marquis%20Software%20Solutions.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 30, 2025
Raw hash: bac69a762c0f7b99cd7459683616bcd679682ebe418accd4cbb54e38b52f4803

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

ComplianceSC CRA notice due

Extraction provenanceno artifact recorded

Source provenanceconsumer.sc.gov