> Cause not stated in filing
Mark Thomas data breach investigation
- Filed
- March 17, 2025
- Regulator
- Maryland AG
- People affected
- Not stated
- File status
- Investigation Open
What the filing confirms
- Mark Thomas reported the incident to the Maryland Attorney General.
Still unknown
- Which categories of personal information were taken. The filing does not list them.
- How many people were affected. The filing does not give a number.
- What caused the incident beyond the description in the filing.
- How the attackers got in, and whether basic safeguards such as multi-factor sign-in were in place.
Investigation notes
Mark Thomas appears to be a professional legal services firm, as indicated by the naming convention typical of private law practices. Such firms routinely collect and store sensitive client information, including personal identification, financial records, and confidential case-related documentation necessary for legal representation. This data breach was officially reported to the Maryland Attorney General in 2025, confirming that the security of firm-held information was compromised. If you have received a formal data breach notification letter from the firm, it indicates that your personal information may have been among the data accessed or acquired by an unauthorized party. We recommend reviewing the letter carefully to understand the specific scope of the incident and the identity monitoring services being offered to those affected.
What our attorneys examine
A cyberattack does not excuse a company from protecting the information it holds. We look at whether Mark Thomas used reasonable security, how long it kept the data, and how quickly it told the people affected. Those questions decide whether a class action or individual claim is possible. Read more on how ransomware lawsuits work, or browse other incident files in Maryland.
Mark Thomas data breach questions
- Is the Mark Thomas data breach letter legit or a scam?
- A notice from Mark Thomas in the mail matches the breach Mark Thomas reported to the Maryland Attorney General on March 17, 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 Mark Thomas through a phone number or website you find yourself.
- Did Mark Thomas offer free credit monitoring?
- Check your letter from Mark Thomas. If free credit or identity monitoring is offered, the enrollment code and deadline are printed in the notice itself. Enrolling does not give up your right to bring a claim.
- Is there a Mark Thomas 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 Mark Thomas. 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.
- What should I do after getting the Mark Thomas 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.
- Do I need a Mark Thomas 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.
- Can I sue Mark Thomas over the data breach?
- It depends on what was exposed, the law in Maryland 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.
- How much could a Mark Thomas data breach settlement or claim be worth?
- There is no set amount, and no Mark Thomas 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.
Other open files in Maryland
- St. Joseph College of MaineMaryland Attorney General · Filed March 21, 2025Count not stated
- St. Joseph College of MaineMD Attorney General · Filed March 21, 2025Count not stated
- St. Joseph College of MaineMaryland Attorney General · Filed March 21, 2025Count not stated
- Tokyo Electron U.S. Holdings, Inc.MD Attorney General · Filed March 20, 2025Count not stated
- VUC, Inc.Maryland Attorney General · Filed March 20, 2025Count not stated
- Open Door Capital, LLCMaryland Attorney General · Filed March 20, 2025Count not stated
Attorney advertising. An incident file reflects a public regulator filing and our review of it; it does not mean a lawsuit has been filed or that the company did anything unlawful. Submitting a review request does not create an attorney-client relationship.