Marquis Software Solutions, Inc. — August 2025 breach

Clustered 3 filings across 2 jurisdictions · filing window Nov 26, 2025 → Dec 3, 2025. View entity profile → Other incidents for this victim →

⚠ 1 cross-filing discrepancy →Merge100%

Determination

Confirmed

Members

3 filings

States

Affected · reported

343,263

First → last filing

Nov 26, 2025 → Dec 3, 2025

Merge confidence

100%

incident inc_8c02eb55c5604aec · merged by deterministic · confidence 100%

Confirmed breach. Merged as one breach: 3 regulatory filings. Intrusion Aug 14, 2025, discovered Aug 14, 2025 — the first regulatory filing landed 104 days later. 343,263 individuals reported across the linked filings. Data reported: Government ID, Identity (basic), Financial account, and 2 more. Notifications rolled out on a 7-day schedule across 3 filings beginning Nov 26, 2025. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Notification delay

104days

Discovered → first regulatory filing

Discovery variance

0days

Range of discovered_at dates across filings

Filing span

7days

Time between earliest and latest filing

Not recorded for this incident

Leak precedence · Materiality delta · SEC filing delay — no leak-site claim in this cluster; no SEC 8-K in this cluster.

Regulatory clocksMassachusetts✓ MA credit monitoring dueFull clock table in Litigation Timeline

No cross-filing comparison data available for this incident.

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