Marquis Data Breach
Date of Incident: August 2025 Overview: The Marquis data breach, reported in December 2025, affected the finance sector, impacting over 400,000 customers across 74 U.S. banks and credit unions. Personal information, including Social Security numbers and financial account details, was exposed. Despite no evidence of data misuse, Marquis paid a ransom to prevent further data… Read More »Marquis Data Breach




