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SDI Management LLC (SDIM) data breach investigation

SDI Management LLC reported a data breach to Indiana regulators on April 6, 2026, stemming from an incident on February 25, 2026. If you received a notification letter, your personal information may have been compromised, and understanding the company's response is key.

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

What the filing confirms

  • SDI Management LLC (SDIM) 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

SDI Management LLC, an Indiana-based entity, recently filed notice of a data security incident with state regulators on April 6, 2026. This filing indicates that the company experienced a breach affecting personal information, which was initially detected around February 25, 2026.

The specifics of how the breach occurred and precisely what type of personal information was accessed or acquired remain under investigation. The official filing does not detail the nature of the attack or which categories of data were involved, referring only generally to "personal information." This lack of detail leaves affected individuals with critical questions about the extent of their exposure.

Receiving a breach notification letter means that SDI Management LLC has identified your data as potentially involved in this incident. Such letters are crucial as they confirm the company's acknowledgment of the breach and its obligation to inform those whose information may have been affected. Review your letter carefully for any offered identity protection services.

To protect yourself, consider placing a fraud alert or freezing your credit reports with the three major credit bureaus. Stay vigilant for any unusual activity in your accounts and be wary of unsolicited communications, especially those asking for personal details. Change passwords for any online accounts that might share credentials if you suspect compromise.

The law requires companies to protect the personal information they collect. When a breach occurs, questions arise about the adequacy of safeguards and the timeliness of notification. If you received a letter from SDI Management LLC, you might be wondering about your legal options. Contact us for a free, confidential case review to discuss what this incident could mean for you.

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 IN.

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 IN 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?
Check your letter from SDI Management LLC. If free credit or identity monitoring is offered, the enrollment code and deadline are printed in the notice itself. 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.
Where can I see the official SDI Management LLC breach notice?
SDI Management LLC's report is published by the IN Attorney General: https://www.in.gov/attorneygeneral/consumer-protection-division/id-theft-prevention/security-breaches/#sdi-management-llc-sdim-2026 Compare it with the letter you received to confirm the dates and details match.
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 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 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 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.