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MJMS Family Office Services LLC & LLP data breach investigation

MJMS Family Office Services LLC & LLP confirmed a data breach in Indiana in 2026. This incident exposed deeply sensitive personal and financial records, including Full Name, Social Security Number, and Financial Account Number, for clients and associated personnel. Such exposure can lead to severe risks like identity theft and financial fraud, raising questions about MJMS's data protection measures.

Filed
July 14, 2026
Regulator
Indiana AG
People affected
Not stated
File status
Monitoring

What the filing confirms

  • MJMS Family Office Services LLC & LLP reported the incident to the Indiana Attorney General.
  • Information involved: Full Name, Social Security Number, Date of Birth, Financial Account Number, Routing Number, Tax Return Information, Direct Deposit Account Details, Investment Portfolio Records, Home Address.

Still unknown

  • 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

MJMS Family Office Services LLC & LLP, a firm specializing in wealth management and financial administration, has confirmed a data security incident that exposed sensitive client information. The breach, first identified on January 22, 2026, was officially reported to the Office of the Indiana Attorney General on July 14, 2026. This incident has raised concerns for individuals whose data was entrusted to MJMS due to the firm's critical role in managing highly private financial and personal affairs.

According to the breach notification, the exposed data includes highly confidential categories. These comprise Full Name, Social Security Number, Date of Birth, Financial Account Number, Routing Number, Tax Return Information, Direct Deposit Account Details, Investment Portfolio Records, and Home Address. The compromise of such comprehensive financial and personal identifiers creates a significant risk for identity theft, financial fraud, and targeted scams for those affected.

Entities like MJMS Family Office Services are expected to maintain stringent security protocols given the immense volume of sensitive data they handle. The filing of this breach report suggests that existing safeguards may have been insufficient to prevent unauthorized access to client records. Our firm is investigating whether MJMS fulfilled its legal obligations under state and federal laws, such as the Gramm-Leach-Bliley Act (GLBA), which mandate robust protections for nonpublic personal information.

If you received a notification letter from MJMS Family Office Services LLC & LLP, it means your personal information was part of this exposure. It is crucial to monitor your financial accounts and credit reports closely for any unusual activity. Consider placing a fraud alert or credit freeze with major credit bureaus as an immediate protective measure against potential identity theft.

Receiving a breach notification establishes your legal standing to seek accountability. The heightened risk of future harm and the loss of privacy are recognized injuries under the law, even if you haven't yet experienced financial loss or identity theft. Our firm is actively reviewing potential claims against MJMS Family Office Services on behalf of those impacted by this data security incident. We offer free case reviews and pursue these matters on a contingency fee basis, meaning there are no upfront costs for you.

What our attorneys examine

A cyberattack does not excuse a company from protecting the information it holds. We look at whether MJMS Family Office Services LLC & LLP 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.

MJMS Family Office Services LLC & LLP data breach questions

How many people were affected by the MJMS Family Office Services LLC & LLP data breach, and what was exposed?
The filing does not give a count of affected people and lists the following information as involved: Full Name, Social Security Number, Date of Birth, Financial Account Number, Routing Number, Tax Return Information, Direct Deposit Account Details, Investment Portfolio Records, Home Address. Your own letter is the best guide to what was exposed about you, since notices are usually tailored to each person.
Is the MJMS Family Office Services LLC & LLP data breach letter legit or a scam?
A notice from MJMS Family Office Services LLC & LLP in the mail matches the breach MJMS Family Office Services LLC & LLP reported to the Indiana Attorney General on July 14, 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 MJMS Family Office Services LLC & LLP through a phone number or website you find yourself.
Did MJMS Family Office Services LLC & LLP offer free credit monitoring?
Look for an enrollment code in your MJMS Family Office Services LLC & LLP notice. Companies that offer free credit monitoring after a breach usually include it there, with a deadline to activate. Because Social Security numbers are listed in this filing, identity monitoring and a credit freeze matter more than usual. Enrolling does not give up your right to bring a claim.
Is there a MJMS Family Office Services LLC & LLP 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 MJMS Family Office Services LLC & LLP. 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 MJMS Family Office Services LLC & LLP 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 MJMS Family Office Services LLC & LLP breach notice?
MJMS Family Office Services LLC & LLP's report is published by the Indiana Attorney General: https://www.in.gov/attorneygeneral/consumer-protection-division/id-theft-prevention/security-breaches/#mjms-family-office-services-llc-llp-2026 Compare it with the letter you received to confirm the dates and details match.
Do I need a MJMS Family Office Services LLC & LLP 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 MJMS Family Office Services LLC & LLP 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 MJMS Family Office Services LLC & LLP data breach settlement or claim be worth?
There is no set amount, and no MJMS Family Office Services LLC & LLP 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. The filing lists Full Name, Social Security Number, Date of Birth as involved. 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.