Where does the Thompson Coburn LLP case file come from?

Every entry is taken from the breach report Thompson Coburn LLP 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.

Case file

Case File: Thompson Coburn LLP Data Breach

This file collects the dated facts on record for the Thompson Coburn LLP incident. The state report is dated April 30, 2025. The incident itself is dated May 28, 2024.

Timeline

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

May 28, 2024Incident dateWhen the filing says the breach took place.
April 30, 2025Report filed in CaliforniaDate the notice was lodged with the California Attorney General.

Case facts

Filing state: California
Date reported: April 30, 2025
Incident date: May 28, 2024
Receiving office: California Attorney General

Case notes

Thompson Coburn LLP, a law firm, submitted a data breach notification to California authorities on April 30, 2025. This report details a security incident that took place on May 28, 2024, which may have led to the compromise of personal information.

The specific type of breach and the precise categories of data involved were not detailed in the public records available. The filing indicates that an unspecified amount of personal information was potentially exposed during the incident.

As of the reporting date, the investigation into this data security event is listed as "investigating." This status suggests that the firm is still working to understand the full scope of the breach and its potential impact on affected individuals.

Those who receive official notifications about this incident should carefully review the information provided by Thompson Coburn LLP. It is a recommended general precaution to remain watchful for any suspicious activity on personal accounts and to monitor credit reports for unauthorized transactions.

These details are derived from public filings made with state regulators, serving as a factual record of the reported data security event.

Questions about this case file

Where does the Thompson Coburn LLP case file come from?: Every entry is taken from the breach report Thompson Coburn LLP 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

Filing source: California Attorney General

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Timeline

Case facts

Case notes

Questions about this case file

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