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Kaufman & Stigger PLLC data breach investigation

Kaufman & Stigger PLLC reported a data breach to Indiana authorities on April 16, 2026, stemming from an incident that occurred in September 2025. This notification confirms that certain personal information entrusted to the firm may have been exposed. For individuals who received a notice letter, understanding the specifics of the incident and potential next steps is crucial.

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

What the filing confirms

  • Kaufman & Stigger PLLC reported the incident to the IN 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

Kaufman & Stigger PLLC, an Indiana-based firm, recently filed an official data breach notification with state regulators on April 16, 2026. This report confirms a security incident that reportedly took place on or about September 21, 2025. The filing indicates that unauthorized access to systems containing personal information occurred.

While the filing confirms the breach event, it does not specify the exact types of personal information involved or how many individuals may have been affected. Similarly, the specific nature of the cyberattack, beyond unauthorized access, has not been detailed in the public record. This lack of detail can make it challenging for affected individuals to assess their specific risks.

For those who received a notification letter from Kaufman & Stigger PLLC, it means your personal information may have been compromised. The period between the reported breach date in September 2025 and the notification filing in April 2026 also raises questions about the timeline for discovery and notification. Understanding when the firm became aware of the breach and how quickly they acted to inform those affected is often a key aspect of any investigation into corporate conduct.

If you received a data breach notification, it is important to remain vigilant for any unusual activity. Consider closely monitoring any accounts that use your exposed information for signs of misuse. While specific recommendations can be difficult without knowing the exact data types, general best practices include changing passwords on sensitive accounts and reviewing financial statements.

Victims of data breaches often have legal rights, especially when companies fail to adequately protect their data. If you are an Indiana resident affected by the Kaufman & Stigger PLLC data breach, you may be entitled to compensation. A free consultation with an attorney can help you understand the details of this incident and evaluate your legal options.

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 IN.

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 IN 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?
Check your letter from Kaufman & Stigger PLLC. 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 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.
Where can I see the official Kaufman & Stigger PLLC breach notice?
Kaufman & Stigger PLLC's report is published by the IN Attorney General: https://www.in.gov/attorneygeneral/consumer-protection-division/id-theft-prevention/security-breaches/#kaufman-stigger-pllc-2026 Compare it with the letter you received to confirm the dates and details match.
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 IN 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 IN

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.