Marquis Breach — Campaign Analysis & Threat Activity

Threat entity extracted from intelligence sources

Frequency
1
occurrences
First Seen
December 5, 2025
Last Seen
December 5, 2025

Related Threat Clusters

  • Marquis Data Breach Affects Multiple U.S. Banks and Credit Unions

    A data breach involving fintech firm Marquis has compromised the information of dozens of U.S. banks and credit unions. The incident was triggered by a zero-day vulnerability that was exploited before it was known to…

    6 articles · Updated December 4, 2025

Recent Intelligence Reports

  • Marquis breach affects dozens of banks and credit unions. — Thecyberwire · December 5, 2025

Related Entities

CVSS v3.1 Breakdown