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Got a notice from Topstep LLC? Here’s what to do.

Topstep LLC told the Indiana Attorney General that people’s information was exposed. If you got a letter, work through the steps below.

Your checklist

  1. 1

    Keep the letter

    Save the notice from Topstep LLC and its envelope. The date you were told can matter for legal deadlines.

  2. 2

    Freeze your credit

    Your Social Security number is listed in the filing. A free freeze at Equifax, Experian and TransUnion stops new accounts being opened in your name.

  3. 3

    Call your bank

    Account or card information is listed. Ask your bank for a new card number and watch statements for small test charges.

  4. 4

    Get a free claim review

    Our legal team checks whether you can be paid for this breach. No fee unless you recover.

Step 4: free claim review

Tell us you got the Topstep LLC notice. An attorney, not a call center, reads it and tells you plainly whether you have a claim.

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About the Topstep LLC breach

Reported to
Indiana Attorney General
Date filed
January 20, 2026
People notified
Not stated
Cause in filing
Not stated

Information listed in the filing: Full Name, Social Security Number, Date of Birth, Banking and Direct Deposit Details, Government-Issued Identification, Email Address, Physical Address, Trading Account Credentials.

5Topstep LLC operates within the financial services and proprietary trading sector, serving as a platform that evaluates, funds, and partners with retail and professional traders. Because of the nature of its business, which requires rigorous onboarding, financial verification, payout processing, and identity confirmation, 5Topstep LLC maintains a vast repository of highly sensitive consumer and financial data. Users engaging with the platform must provide extensive personal and financial documentation to establish accounts, complete know-your-customer (KYC) protocols, and receive profit splits or trading payouts. Consequently, the organization functions as a significant custodian of valuable consumer information, making its digital infrastructure an attractive target for malicious actors seeking to exploit high-value financial networks.

In 2026, 5Topstep LLC formally reported a data security incident to the Indiana Attorney General, raising serious concerns among account holders and participants whose information was entrusted to the firm. While the precise vectors of the attack continue to be scrutinized, security incidents affecting platforms in the trading and financial technology sectors typically involve unauthorized intrusions into central databases, exploitation of vulnerable cloud storage environments, or sophisticated credential-harvesting attacks targeting administrative and user endpoints. These cyberattacks often bypass perimeter defenses to compromise underlying customer databases, potentially granting unauthorized third parties persistent access to confidential systems and sensitive records.

The breach exposed a critical array of personal and financial information, creating severe risks of identity theft, financial fraud, and account takeover for affected individuals. The compromised datasets likely include full legal names, dates of birth, Social Security numbers, banking and direct deposit details used for trading payouts, and government-issued identification documents submitted during KYC verification. Exposure of this granular financial and identifying data places victims in immediate jeopardy of unauthorized banking transactions, fraudulent credit applications, tax-related identity theft, and targeted phishing campaigns designed to siphon funds from active trading accounts or personal assets.

As a commercial entity collecting and storing sensitive consumer and financial records, 5Topstep LLC was bound by state and federal legal standards to implement and maintain robust, industry-standard cybersecurity measures. Under the Federal Trade Commission Act and applicable Indiana data protection statutes, the company had an affirmative legal obligation to safeguard consumer information against unauthorized access, theft, or disclosure. The occurrence of this data breach strongly suggests potential failures in foundational security protocols—such as inadequate encryption standards, delayed patching, insufficient multi-factor authentication, or a lack of continuous network monitoring—which may constitute a actionable breach of the implied contract between the company and its users.

Receiving a data breach notification letter from 5Topstep LLC is a formal admission that your private information was compromised due to inadequate corporate security practices, and it establishes the legal standing necessary to participate in a class action lawsuit. Under the law, affected individuals do not need to wait until they experience actual financial loss or identity theft to seek legal recourse; the increased risk and imminent threat of future harm are sufficient. Our law firm is actively investigating potential claims on behalf of all impacted individuals, operating on a strict contingency fee basis—meaning you pay nothing out of pocket, and we only recover fees if we successfully secure a recovery on your behalf.

See the official filingFull ransomware checklist

Topstep LLC data breach questions

How many people were affected by the Topstep LLC 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, Banking and Direct Deposit Details, Government-Issued Identification, Email Address, Physical Address, Trading Account Credentials. Your own letter is the best guide to what was exposed about you, since notices are usually tailored to each person.
Is the Topstep LLC data breach letter legit or a scam?
A notice from Topstep LLC in the mail matches the breach Topstep LLC reported to the Indiana Attorney General on January 20, 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 Topstep LLC through a phone number or website you find yourself.
Did Topstep LLC offer free credit monitoring?
Check your letter from Topstep LLC. If free credit or identity monitoring is offered, the enrollment code and deadline are printed in the notice itself. Because Social Security numbers are listed in this filing, identity monitoring and a credit freeze matter more than usual. Using the free service won't stop you from joining a lawsuit or settlement later.
Is there a Topstep 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 Topstep 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 Topstep 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 Topstep LLC breach notice?
Topstep LLC's report is published by the Indiana Attorney General: https://www.in.gov/attorneygeneral/consumer-protection-division/id-theft-prevention/security-breaches/#5topstep-llc-2026 Compare it with the letter you received to confirm the dates and details match.
Do I need a Topstep 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 Topstep 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 Topstep LLC data breach settlement or claim be worth?
There is no set amount, and no Topstep 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. 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.

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