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Case File: MARQUIS SOFTWARE SOLUTIONS, INC. (ON BEHALF OF BUSINESS CUSTOMER DATA OWNERS) Data Breach

This file collects the dated facts on record for the MARQUIS SOFTWARE SOLUTIONS, INC. (ON BEHALF OF BUSINESS CUSTOMER DATA OWNERS) incident. The state report is dated August 14, 2025.

Timeline

  1. August 14, 2025Report filed in IllinoisDate the notice was lodged with the Illinois Attorney General.

Case facts

Filing state
Illinois
Date reported
August 14, 2025
Receiving office
Illinois Attorney General

Case notes

MARQUIS SOFTWARE SOLUTIONS, INC., operating on behalf of its business customer data owners, filed a data breach report with the Illinois Attorney General on August 14, 2025. This official filing confirms that an incident of unauthorized access to the company's systems occurred.

As a technology company specializing in software development and data management, Marquis Software Solutions typically handles sensitive data for its business clients. The exposed information is described generally as personal information that the company held for one or more of its business customers.

The specific type of breach, the exact date it occurred, and the number of individuals affected remain unspecified in public records at this time. The status of the incident is currently listed as 'investigating' by the company.

Recipients of a data breach notification letter from MARQUIS SOFTWARE SOLUTIONS should carefully read the communication. This letter will provide further details regarding the scope of the incident and any identity protection services or assistance offered.

Individuals are generally advised to remain vigilant for any suspicious activity. This includes reviewing statements from financial institutions, credit reports, and other personal accounts for unauthorized transactions or unusual inquiries. If any discrepancies are found, report them to the relevant institution immediately.

Questions about this case file

Where does the MARQUIS SOFTWARE SOLUTIONS, INC. (ON BEHALF OF BUSINESS CUSTOMER DATA OWNERS) case file come from?
Every entry is taken from the breach report MARQUIS SOFTWARE SOLUTIONS, INC. (ON BEHALF OF BUSINESS CUSTOMER DATA OWNERS) lodged with the Illinois Attorney General. Nothing here is estimated.
Why do the incident date and the report date differ?
Companies usually investigate before they report. The gap between the two dates shows how long that took.
What does the records-affected figure count?
It is the number the company gave the state. It can cover residents of that state only, so the national total may be higher.
Does this case file change over time?
Yes. When a company files an update or a new state publishes its copy of the report, the dates and counts here are refreshed.

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