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Kaufman & Stigger PLLC data breach investigation

Kaufman & Stigger PLLC, an Indiana law firm, recently confirmed a data security incident to state regulators. Unauthorized access to their systems in late 2025 may have exposed personal information, raising questions about the firm's data security practices for those who received a notification letter.

Filed
April 16, 2026
Regulator
Indiana AG
People affected
Not stated
File status
Investigation Open

What the filing confirms

  • Kaufman & Stigger PLLC reported the incident to the Indiana 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

Kaufman & Stigger PLLC, a legal services firm operating in Indiana, has formally reported a data security incident. The firm notified the Indiana Attorney General on April 16, 2026, confirming that unauthorized access to its computer systems occurred on or around September 21, 2025. While the specific nature of this unauthorized access and the types of information involved remain largely undisclosed in public records, the issuance of individual notification letters indicates that personal information was potentially compromised.

For those who received a direct data breach notification letter from Kaufman & Stigger PLLC, this means your personal information may have been accessed by an unauthorized party. Such incidents typically lead to concerns about identity theft and other forms of fraud. Our investigation into this matter focuses on understanding the extent of the unauthorized access, how long the intruders maintained system access, and whether the firm had appropriate safeguards in place to protect sensitive client and matter-related information.

While the firm has not specified what categories of personal information were involved, the fact that you received a letter suggests that information linked to you was exposed. It is crucial to treat any notification of a data breach seriously, as the misuse of compromised information can have lasting consequences. Monitoring your personal and financial accounts for unusual activity is a critical first step.

We recommend that affected individuals remain vigilant. Regularly review bank statements, credit card statements, and Explanation of Benefits forms for any transactions or services you do not recognize. Consider placing a fraud alert or security freeze on your credit reports with the major credit bureaus, which can help prevent new accounts from being opened in your name. Be cautious of unsolicited communications, especially those asking for personal details, as these could be phishing attempts related to the breach.

If you have received a data breach notification letter from Kaufman & Stigger PLLC, you may have legal questions regarding your rights and potential options. Our firm is currently investigating the circumstances surrounding this data security incident. We invite you to contact us for a free, no-obligation case review to discuss how this event may affect you and what steps might be appropriate to protect your interests.

What our attorneys examine

A cyberattack does not excuse a company from protecting the information it holds. We look at whether Kaufman & Stigger PLLC 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 Indiana.

Kaufman & Stigger PLLC data breach questions

Is the Kaufman & Stigger PLLC data breach letter legit or a scam?
A notice from Kaufman & Stigger PLLC in the mail matches the breach Kaufman & Stigger PLLC reported to the Indiana Attorney General on April 16, 2026. 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 Kaufman & Stigger PLLC through a phone number or website you find yourself.
Did Kaufman & Stigger PLLC offer free credit monitoring?
Any free monitoring Kaufman & Stigger PLLC is offering will be described in the notice you received, along with an activation code and a sign-up deadline. Enrolling does not give up your right to bring a claim.
Is there a Kaufman & Stigger PLLC 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 Kaufman & Stigger PLLC. 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 Kaufman & Stigger PLLC 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 Kaufman & Stigger PLLC 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 Kaufman & Stigger PLLC over the data breach?
It depends on what was exposed, the law in Indiana 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 Kaufman & Stigger PLLC data breach settlement or claim be worth?
There is no set amount, and no Kaufman & Stigger PLLC 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 Indiana

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.