Marquis Software Solutions data breach
Marquis Software Solutions appears in 12 breach notices filed with New Hampshire DOJ, California AG, Oregon DOJ, Texas AG, SC Consumer Affairs, Washington AG, Montana DOJ and Iowa AG, most recently reported on March 23, 2026.
Also listed as: Marquis Software Solutions (on behalf of business customer data owners); Marquis Software Solutions, Inc.; Marquis Software Solutions, Inc
Breach notices filed with regulators
| Reported | Filed with | Breach date(s) | People affected | Data involved | Source |
|---|---|---|---|---|---|
| Mar 23, 2026 | New Hampshire DOJ | Not listed | Not listed | Not listed | Notice ↗ |
| Mar 16, 2026 | California AG | Not listed | Not listed | Not listed | California AG list ↗ |
| Feb 11, 2026 | California AG | Aug 14, 2025 | Not listed | Not listed | California AG list ↗ |
| Feb 11, 2026 | New Hampshire DOJ | Not listed | Not listed | Not listed | Notice ↗ |
| Dec 15, 2025 | Oregon DOJ | Aug 14, 2025 | 13,169 Oregon residents | Not listed | Oregon DOJ list ↗ |
| Dec 2, 2025 | California AG | Aug 14, 2025 | Not listed | Not listed | California AG list ↗ |
| Dec 2, 2025 | Texas AG | Aug 14, 2025 – Sep 4, 2025 | 354,289 Texas residents | Name of individualAddressSocial Security Number InformationFinancial Information (e.g. account number, credit or debit card number)Date of Birth | Texas AG list ↗ |
| Dec 1, 2025 | New Hampshire DOJ | Not listed | Not listed | Not listed | Notice ↗ |
| Nov 30, 2025 | SC Consumer Affairs | Not listed | 223,447 South Carolina residents | Not listed | Notice ↗ |
| Nov 26, 2025 | Washington AG | Aug 14, 2025 – Sep 4, 2025 | 269,773 Washington residents | NameSocial Security NumberFinancial & Banking InformationFull Date of Birth | Washington AG list ↗ |
| Nov 26, 2025 | Montana DOJ | Aug 14, 2025 – Sep 8, 2025 | 49,948 Montana residents | Not listed | Notice ↗ |
| Nov 26, 2025 | Iowa AG | Not listed | Not listed | Not listed | Notice ↗ |
Each row is a notice as published by the agency. For state lists, the number affected counts only that state's residents; HHS lists the total reported. SEC rows are Form 8-K Item 1.05 filings, which usually don't give a count. A notice does not mean a settlement exists, and a settlement may cover a different incident than a given notice.
Is there a settlement?
We don't track an open class-action settlement for Marquis Software Solutions right now. Settlements usually come months or years after a breach. Get an email when new settlements are announced.
What you can do now
- Read the notice letter if you got one. It says what data was involved and may offer free credit monitoring with an enrollment deadline.
- Consider a free credit freeze at Equifax, Experian and TransUnion, especially if your Social Security number was involved.
- Change reused passwords and turn on two-factor authentication.
- Watch your bank, card and insurance statements for activity you don't recognize.
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