Marquis Data Breach Exposes Personal Information; Lawsuit Possible
A potential class action lawsuit is being investigated following a data breach at Marquis Software Solutions, impacting individuals' personal information.Summary
Marquis Software Solutions, a provider of marketing and compliance software to banks and credit unions, experienced a data security incident discovered on August 14, 2025. An unauthorized third party gained access to the company’s online environment and potentially copied files containing personal information. The breach did not affect the internal systems of the financial institutions Marquis serves. Marquis completed its review of the compromised files on October 27, 2025, and impacted individuals are being directly notified. ClassAction.org is investigating the possibility of a class action lawsuit on behalf of those affected, seeking compensation for loss of privacy, related expenses, and to compel Marquis to improve its security measures. Individuals who received a notification or believe their information was exposed are encouraged to fill out a form to connect with legal representatives.
(Source：ClassAction.org)