DataBreachInformation.com
Investigation OpenCA AG filing · April 30, 2025

Thompson Coburn LLP Files California Data Security Notice 2025

Thompson Coburn LLP formally reported a data security incident to California officials on April 30, 2025. The event, which occurred on May 28, 2024, involved personal information, and an investigation into its full scope is ongoing.

State
CA
Breach date
May 28, 2024
Reported
April 30, 2025

Thompson Coburn LLP, a law firm, submitted an official data breach notification to the State of California on April 30, 2025. This public record confirms that the organization experienced a data security incident impacting personal information.

The incident itself took place on or about May 28, 2024. While the specific categories of data involved were not detailed in the public filing, the notification describes the event as compromising personal information held by the firm.

The official filing does not specify the number of individuals whose information may have been affected. An investigation into the full extent and implications of this data security incident is currently underway.

Anyone receiving a direct notification from Thompson Coburn LLP regarding this event should review that information closely. It is a recommended general practice to remain vigilant and monitor all financial account statements for any unauthorized transactions or suspicious activity.

To help protect against potential misuse of your information, consider placing a fraud alert with the major credit reporting agencies. Additionally, always be wary of unsolicited communications, such as emails or phone calls, that request personal details, as these could be attempts to gain further access to your information.

What to do if you were affected

These general steps can help limit the risk of identity theft and fraud after any data breach.

  • Stay alert to targeted scams

    Be cautious of calls, texts, or emails that reference this breach. Legitimate organizations won't ask you to confirm sensitive details through an unsolicited message.

  • Keep your notification letter

    Save the notice you received. It documents that your information was involved and is often needed to enroll in any credit monitoring offered or to join a related legal claim.

What to know about the Thompson Coburn LLP data breach

Where can I see the official Thompson Coburn LLP breach notice?
Thompson Coburn LLP's report is published by the CA Attorney General: https://oag.ca.gov/privacy/databreach/list#thompson-coburn-llp-2025-04-30 Compare it with the letter you received to confirm the dates and details match.
What should I do after getting the Thompson Coburn LLP data breach notice?
Keep the letter and the envelope, and note the date it arrived. Freeze your credit with Equifax, Experian and TransUnion, change any passwords the notice mentions, and sign up for any free credit monitoring the letter offers. Then check whether you may have a claim.
Is the Thompson Coburn LLP data breach letter legit or a scam?
A notice from Thompson Coburn LLP in the mail matches the breach Thompson Coburn LLP reported to the CA Attorney General on April 30, 2025. Check that the company name and dates in your letter match that filing. A real notice of data security incident won't ask for your password, Social Security number or a payment — if it does, contact Thompson Coburn LLP through a phone number or website you find yourself.
Did Thompson Coburn LLP offer free credit monitoring?
Any free monitoring Thompson Coburn LLP is offering will be described in the notice you received, along with an activation code and a sign-up deadline. Signing up doesn't waive any legal rights you may have.
Can I sue Thompson Coburn LLP over the data breach?
It depends on what was exposed, the law in CA and your own state, and whether you've been harmed. Most people take part through a class action rather than suing alone. Keep your notification letter — it's the proof that connects you to the breach.
Is there a Thompson Coburn LLP data breach class action lawsuit?
Law firms often open an investigation after a breach notice like this one, and a class action lawsuit may follow. This page doesn't confirm that a lawsuit has been filed against Thompson Coburn LLP. You usually don't have to join a class action to be included — if a settlement is reached, class members are notified and can file a claim.
How much could a Thompson Coburn LLP data breach settlement or claim be worth?
There is no set amount, and no Thompson Coburn LLP settlement is confirmed here. In past data breach settlements, payments depended on what data was exposed and on documented losses — fraud, out-of-pocket costs and time spent dealing with the breach. Keep receipts and records; they're what damages claims are built on.
Do I need a Thompson Coburn LLP data breach lawyer or attorney?
An attorney can read your notice and tell you whether a claim makes sense. A case review here is free, and data breach cases are usually handled on contingency, so there is no upfront cost.

Source: CA Attorney General filing

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