HackingTechnologyFinancial ServicesInformationData ExfiltratedCustomer Data InvolvedPIIIdentity (basic)Government IDMediumContained

Marquis Software Solutions, Inc.

bd_1d9640ddb1ce649d · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 14, 2025

Filed

Mar 16, 2026

To disclose

31 weeks

Affected

Not disclosed

Linked

20 filings

Confidence

65%

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

Marquis Software Solutions, a marketing vendor for financial institutions, reported a data breach discovered on August 14, 2025. An unauthorized third party accessed the network and may have copied files containing customer information. The company engaged cybersecurity experts and notified law enforcement. Affected individuals are offered complimentary identity protection services.

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Incident timeline

discovery → filing · 31 weeks / 214 days

Aug 14, 2025

Discovered

Mar 16, 2026

Filed

vs. sector median

+12 wks slower

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

Vermont State AGbd_169927bcdd189b0d2026-03-16Verified
Maine State AGbd_1a8018e5fbd9c9f22026-03-17 · +1dVerified
New Hampshire State AGbd_8dc11eb2de4d50f12026-03-23 · +7dVerified
New Hampshire State AGbd_71f70739546a44c32026-02-11 · +33dVerified by operator

Show 6 more filings ↓up to 104d gap

California State AGbd_f5765c41630ad2642026-02-11 · +33dVerified by operator
New Hampshire State AGbd_e24c796a906bacca2025-12-26 · +80dVerified
Oregon State AGbd_f38f456e451eb3742025-12-15 · +91dVerified
Maine State AGbd_125c270075864cd92025-12-02 · +104dVerified
California State AGbd_585c0df55a8ee5582025-12-02 · +104dVerified
Texas State AGbd_ce4934629feb28f42025-12-02 · +104dVerified

Showing first 10 of 19 linked disclosures.

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

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

Discovered: Aug 14, 2025
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: PIIIdentity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: External

During the incident: Launched an investigation
Engaged appropriate cybersecurity experts to assist
Notified law enforcement
Changes made: Offering complimentary Epiq Privacy Solutions ID membership
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 31 weeks(214 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

California State AGDec 2 · first

Texas State AGDec 2 · first

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 · this page

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/sb24-620333
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 16, 2026
Raw hash: 974f95ec1a46afb723e7fe1b63fb0bc151ee67af3aa09cc62f2e31951627cf6f

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