HackingTechnologyFinancial ServicesInformationStolen CredentialsData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Marquis Software Solutions, Inc.

bd_8dc11eb2de4d50f1 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 14, 2025

Filed

Mar 23, 2026

To disclose

32 weeks

Affected

83state residents only

Linked

20 filings

Confidence

67%

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 affecting 83 New Hampshire residents. On August 14, 2025, the company identified suspicious activity and determined an unauthorized third party accessed its network and copied files containing names, addresses, emails, Social Security numbers, and dates of birth. The company engaged forensic experts, notified law enforcement, and provided 12 months of credit monitoring. Remediation efforts included patching firewalls, enabling MFA, and deploying EDR tools. This is a supplemental notice to an initial filing from December 2025.

J jump to incidentP pin to compareR raw source

Incident timeline

discovery → filing · 32 weeks / 221 days

Aug 14, 2025

Discovered

Mar 23, 2026

Filed

vs. sector median

+13 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

Maine State AGbd_1a8018e5fbd9c9f22026-03-17 · +6dVerified
Vermont State AGbd_169927bcdd189b0d2026-03-16 · +7dVerified
California State AGbd_1d9640ddb1ce649d2026-03-16 · +7dVerified
New Hampshire State AGbd_71f70739546a44c32026-02-11 · +40dVerified by operator

Show 6 more filings ↓up to 111d gap

California State AGbd_f5765c41630ad2642026-02-11 · +40dVerified by operator
New Hampshire State AGbd_e24c796a906bacca2025-12-26 · +87dVerified
Oregon State AGbd_f38f456e451eb3742025-12-15 · +98dVerified
Maine State AGbd_125c270075864cd92025-12-02 · +111dVerified
California State AGbd_585c0df55a8ee5582025-12-02 · +111dVerified
Texas State AGbd_ce4934629feb28f42025-12-02 · +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: TechnologyllmFinancial Servicesllm

Discovered: Aug 14, 2025
Materiality determined: —
Notification sent: Dec 1, 2025
Affected individuals: 83state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: External
Regulator citations: Submitted notice to the Office of the New Hampshire Attorney General

During the incident: Launched an investigation
Engaged appropriate cybersecurity experts for assistance
Promptly notified law enforcement
Engaged external experts to review the affected records to identify impacted individuals and determine the scope of the affected data
Provided notice of the incident to the affected individuals
Providing twelve (12) months of complimentary credit and identity monitoring services, including identity insurance and resolution services via Epiq Privacy Solutions ID
Provided a toll-free number for recipients to call with any questions regarding this incident
Changes made: Ensuring that all firewall devices are full patched and up to date
Rotating passwords for local accounts
Deleting old or unused accounts
Ensuring that multi-factor authentication ("MFA") is enabled for all firewall and the virtual privacy network ("VPN") accounts
Increasing logging retention for firewall devices
Applying account lock-out policies at the VPN for too many failed logins
Applying geo-IP filtering to only allow connections from specific countries needed for business operations
Applying policies to automatically block connections to/from known Botnet Command and Control servers at the firewall
Rebuilding its impacted infrastructure with new Operating Systems
Reviewing more stringent access control policies
Reviewing more stringent network segmentation
Deploying an Endpoint Detection and Response tool to the Marquis environment, including the implementation of alerts for IP addresses found during the forensic investigation associated with threat actor activity and malware or other suspicious files identified during the forensics investigation using hash and/or file name
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 32 weeks(221 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

Maine State AG+105d

New Hampshire State AG+111d · this page

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://mm.nh.gov/files/uploads/doj/remote-docs/marquis-software-solutions-20260323.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 23, 2026
Raw hash: 1b1af2121fc834299dfe646cf7efbb7078b8d9cd92d47009c73892a7c709ea19

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 provenancemm.nh.gov