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Case File: Marquis Software Solutions (on behalf of business customer data owners) Data Breach

This file collects the dated facts on record for the Marquis Software Solutions (on behalf of business customer data owners) incident. The state report is dated December 2, 2025. The incident itself is dated August 14, 2025.

Timeline

110 days separate the incident date from the date it was reported.

  1. August 14, 2025Incident dateWhen the filing says the breach took place.
  2. December 2, 2025Report filed in CaliforniaDate the notice was lodged with the California Attorney General.

Case facts

Filing state
California
Date reported
December 2, 2025
Incident date
August 14, 2025
Receiving office
California Attorney General

Case notes

Marquis Software Solutions has disclosed a data breach involving personal information, according to public records filed with regulatory bodies. The company, which provides services to business customers, indicated that the exposure affects data it held or processed on their behalf.

The incident took place on August 14, 2025, and was reported to authorities on December 2, 2025. As of the filing date, the investigation into the breach is ongoing, meaning the full scope and nature of the compromised information are still being determined.

While the specific categories of data involved have not been detailed in public filings, the exposure of any personal information warrants vigilance. Individuals whose data may have been involved should be aware of the potential for unauthorized access to their sensitive details.

It is advisable to remain alert for any unusual account activity, unsolicited communications, or suspicious requests for information. Regularly reviewing financial statements and account activity can help identify potential misuse of the exposed data.

Consider placing a fraud alert or security freeze on your credit reports with the three major credit bureaus. These steps can help prevent new accounts from being opened in your name using stolen personal information. Maintaining strong, unique passwords for all online accounts is also a critical protective measure.

Questions about this case file

Where does the Marquis Software Solutions (on behalf of business customer data owners) case file come from?
Every entry is taken from the breach report Marquis Software Solutions (on behalf of business customer data owners) lodged with the California 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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Filing source: California Attorney General