Federal News
Marquis Discloses Data Breach in Texas
March 19, 2026
Marquis, a Texas-based service provider specializing in marketing and compliance solutions for credit unions and banks, disclosed a significant data breach affecting approximately 672,000 individuals. The breach, discovered in August 2025, involved unauthorized access to sensitive personal and financial information stored on behalf of about 700 financial institutions. The attack exploited a known vulnerability in SonicWall firewall technology, raising concerns about cybersecurity risks in third-party service providers supporting financial institutions.
- Procurement professionals should assess cybersecurity risk management and vendor security posture when contracting with service providers handling sensitive financial data.
- Agencies and contractors in financial services and compliance sectors may face increased scrutiny and requirements to demonstrate robust cybersecurity controls.
- This incident highlights the importance of including specific cybersecurity clauses and vulnerability management expectations in procurement contracts.
- Organizations supporting credit unions and banks should evaluate their firewall and network security solutions to mitigate similar vulnerabilities.
Agencies
Maine Attorney Generalβs Office
Vendors
Marquis
Locations
Sources
- Marquis Data Breach Affects 672,000 Individuals - SecurityWeek · SecurityWeek · Mar 19