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DII-2025-00407
ReportedReported by fewer than three independent publishers, with no official finding.

Marquis data breach impacts over 74 US banks, credit unions

Financial software provider Marquis Software Solutions is warning that it suffered a data breach that impacted dozens of banks and credit unions across the US. Marquis Software Solutions provides data analytics, CRM...

4 December 2025 · Hacking and intrusion
4 December 2025
DII-2025-004074 sources ↓
Quick facts
Category
Hacking and intrusion
Source
DataBreaches.net
Date
4 December 2025
Drafted by
Raidu Incident Detection

What happened

Not publicly disclosed.

Classification

Category
Hacking and intrusion
Industry
Financial services and insurance

Sources and evidence

This record was researched and written by the Index, based on the following original reporting.

DataBreaches.net
Marquis data breach impacts over 74 US banks, credit unions
4 December 2025
bleepingcomputer.com
Bleeping Computer
maine.gov
notification to Maine
maine.gov
Norway Savings Bank