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TransUnion LLC data breach investigation

Filed
September 4, 2025
Regulator
SC AG
People affected
Not stated
File status
Investigation Open

What the filing confirms

  • TransUnion LLC reported the incident to the SC 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.
Read the filing at the source

Investigation notes

TransUnion LLC reported a data breach to the SC Attorney General's office on September 4, 2025. If TransUnion LLC sent you a written notice, that letter connects you to this incident. Whether you have a legal claim depends on the specific facts of the breach and your situation — a free case review can help you understand your options.

What our attorneys examine

A cyberattack does not excuse a company from protecting the information it holds. We look at whether TransUnion LLC 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 SC.

TransUnion LLC data breach questions

Is the TransUnion LLC data breach letter legit or a scam?
A notice from TransUnion LLC in the mail matches the breach TransUnion LLC reported to the SC Attorney General on September 4, 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 TransUnion LLC through a phone number or website you find yourself.
Did TransUnion LLC offer free credit monitoring?
Check your letter from TransUnion LLC. If free credit or identity monitoring is offered, the enrollment code and deadline are printed in the notice itself. Using the free service won't stop you from joining a lawsuit or settlement later.
Is there a TransUnion LLC 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 TransUnion LLC. 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 TransUnion LLC 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.
Where can I see the official TransUnion LLC breach notice?
TransUnion LLC's report is published by the SC Attorney General: https://consumer.sc.gov/sites/consumer/files/Documents/Security%20Breach%20Notices/2025/Consumer%20Letter%20-%20TransUnion.pdf Compare it with the letter you received to confirm the dates and details match.
Do I need a TransUnion LLC 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 TransUnion LLC over the data breach?
It depends on what was exposed, the law in SC 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 TransUnion LLC data breach settlement or claim be worth?
There is no set amount, and no TransUnion LLC 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 SC

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.