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.

Case file

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 February 11, 2026. The incident itself is dated August 14, 2025.

Timeline

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

August 14, 2025Incident dateWhen the filing says the breach took place.
February 11, 2026Report filed in CaliforniaDate the notice was lodged with the California Attorney General.

Case facts

Filing state: California
Date reported: February 11, 2026
Incident date: August 14, 2025
Receiving office: California Attorney General

Case notes

Marquis Software Solutions, a B2B technology company specializing in enterprise software and data management, reported a data security incident to California regulators on February 11, 2026. This report confirmed that unauthorized access to its hosted environments occurred on August 14, 2025.

As a service provider, Marquis Software Solutions manages and stores data for its business clients. The incident involved personal information that the company held as part of its services. The public filing indicates that the specific types of personal information affected by this event have not been detailed.

At the time of the filing, the investigation into the unauthorized access event was ongoing. The company's disclosure to the California Attorney General's office initiates the public record of this incident.

If you have received a formal data breach notification letter regarding this incident, it signifies that your personal information, which was maintained by Marquis Software Solutions for one of their business customers, may have been compromised. It is important to review this letter carefully.

Such letters typically provide additional context regarding the scope of the exposure and any identity protection services being offered. It is a recommended practice to remain vigilant for any unusual activity involving your personal accounts or financial statements and to consider placing a fraud alert or security freeze on your credit if you are concerned.

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.

California data breaches

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Timeline

Case facts

Case notes

Questions about this case file

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