Did Marquis Software Solutions (on behalf of business customer data owners) have a data breach?

In plain terms

Marquis Software Solutions, a technology provider for business customers, reported a data breach to California authorities in December 2025. The incident, which occurred in August 2025, involved unauthorized access to systems that store personal information on behalf of its clients.

Marquis Software Solutions officially confirmed a data breach in California, with the incident reported to regulators in December 2025. This breach involved unauthorized access to systems managed by Marquis, which handles significant amounts of data for its various business customers.

As a technology company, Marquis provides enterprise software, database management, and cloud-based business applications to corporate clients. This means the company often collects and stores sensitive personal information on behalf of these customers. If you received a notification, it indicates that your personal information, held within these systems, may have been exposed.

The breach itself occurred on August 14, 2025, several months before the public filing date. The specific nature of the unauthorized access and the exact types of personal information affected are not detailed in the public record, as the investigation was ongoing at the time of reporting.

If you have received a data breach notification letter from Marquis Software Solutions or one of its business customers, it is crucial to review it carefully. This letter should provide specific details about what information was potentially involved and any identity protection services being offered. As a general precaution, consistently monitor your financial accounts and credit reports for any suspicious activity.

Additionally, remain vigilant against unsolicited communications, such as emails or calls, that request personal information. Consider implementing fraud alerts or security freezes on your credit files to help prevent unauthorized access to your credit. This information is derived from public filings with California regulators, serving to confirm the reported incident.