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SDI Management LLC ("SDIM") data breach investigation

SDI Management LLC confirmed unauthorized access to its systems, potentially exposing personal information belonging to individuals who received a notification. Our firm is reviewing the incident filed with the Indiana Attorney General to understand the full scope and impact on those affected.

Filed
April 6, 2026
Regulator
Indiana AG
People affected
Not stated
File status
Investigation Open

What the filing confirms

  • SDI Management LLC ("SDIM") 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

SDI Management LLC, operating in Indiana, recently filed a report with the Indiana Attorney General's office on April 6, 2026, confirming a data breach. This filing indicates that unauthorized access occurred within the company's systems, which are known to store various types of personal information collected during its operations. If you received a notification letter from SDIM, it means your data was potentially compromised during this security incident.

The official record confirms unauthorized access to SDI Management LLC's systems, but the specific categories of personal information exposed have not been detailed. Therefore, it is important to understand that while your information may have been involved, the exact nature of the compromised data remains under review. Our investigation focuses on what was accessible to unauthorized parties.

The breach incident date is listed as February 25, 2026. This timeline, from the date of the breach to the filing date, is one aspect our firm is examining to determine how promptly the company acted following the discovery of the incident. Companies are legally obligated to implement reasonable security measures and provide timely notification when personal information is compromised.

If you have received a data breach notification from SDI Management LLC, you should remain vigilant. Carefully monitor any accounts or services that use your personal information for unusual activity or transactions. Be cautious of unsolicited emails, texts, or phone calls that request sensitive details, as these could be phishing attempts related to the breach.

Our firm is actively investigating the circumstances surrounding the SDI Management LLC data breach. This includes scrutinizing the security safeguards that were in place and the company's response to the incident. Understanding whether the company met its legal duties to protect your personal information is a critical step in assessing potential claims. If you are among those affected, a confidential review of your situation can help clarify your options.

What our attorneys examine

A cyberattack does not excuse a company from protecting the information it holds. We look at whether SDI Management LLC ("SDIM") 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.

SDI Management LLC data breach questions

Is the SDI Management LLC data breach letter legit or a scam?
A notice from SDI Management LLC in the mail matches the breach SDI Management LLC reported to the Indiana Attorney General on April 6, 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 SDI Management LLC through a phone number or website you find yourself.
Did SDI Management LLC offer free credit monitoring?
Look for an enrollment code in your SDI Management LLC notice. Companies that offer free credit monitoring after a breach usually include it there, with a deadline to activate. Signing up doesn't waive any legal rights you may have.
Is there a SDI Management 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 SDI Management 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 SDI Management 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.
Do I need a SDI Management 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 SDI Management LLC 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 SDI Management LLC data breach settlement or claim be worth?
There is no set amount, and no SDI Management 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 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.