Got a notice from Old National Bank (see 2025 Report for Marquis Software Solutions)? Here’s what to do.
Old National Bank reported a data security incident that may have exposed personal information. If you received a notice, understanding the risks and taking immediate action is crucial to protect yourself from potential harm like identity theft.
Your checklist
- 1
Keep the letter
Save the notice from Old National Bank (see 2025 Report for Marquis Software Solutions) and its envelope. The date you were told can matter for legal deadlines.
- 2
Freeze your credit
The filing does not list what was taken, so play it safe. A free freeze at Equifax, Experian and TransUnion stops new accounts being opened in your name.
- 3
Change reused passwords
Change any password you used with this company or reused elsewhere, and turn on two-factor sign-in.
- 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 Old National Bank (see 2025 Report for Marquis Software Solutions) notice. An attorney, not a call center, reads it and tells you plainly whether you have a claim.
- Free, no obligation
- No fee unless you recover
- Reply within 24 hours
About the Old National Bank (see 2025 Report for Marquis Software Solutions) breach
- Reported to
- IN Attorney General
- Date filed
- March 16, 2026
- People notified
- Not stated
- Cause in filing
- Not stated
Old National Bank recently disclosed a data security incident that occurred on August 14, 2025. The bank is currently investigating what happened and how your personal information may have been affected.
While the specific details of the exposed data are still under review, it's important to act as if your personal information could be at risk. Data breaches like this can sometimes lead to issues like identity theft or fraud.
Your first step should be to carefully read any notification letter you received from Old National Bank. Follow any specific advice they provide. You should also consider placing a fraud alert on your credit reports with the three major bureaus—Experian, Equifax, and TransUnion—as soon as possible.
For the next year, closely monitor all your financial accounts, credit card statements, and credit reports for any signs of suspicious activity. It's also a good idea to be extra cautious about unexpected emails or calls asking for your personal details.
If you received a letter about this Old National Bank data incident, you might wonder what this means for you and your legal rights. Our team offers a free, no-obligation review of your situation to help you understand your options.
Old National Bank data breach questions
- Is the Old National Bank data breach letter legit or a scam?
- A notice from Old National Bank in the mail matches the breach Old National Bank reported to the IN Attorney General on March 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 Old National Bank through a phone number or website you find yourself.
- Did Old National Bank offer free credit monitoring?
- Any free monitoring Old National Bank is offering will be described in the notice you received, along with an activation code and a sign-up deadline. Signing up doesn't waive any legal rights you may have.
- Is there a Old National Bank 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 Old National Bank. 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 Old National Bank 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 Old National Bank breach notice?
- Old National Bank's report is published by the IN Attorney General: https://www.in.gov/attorneygeneral/consumer-protection-division/id-theft-prevention/security-breaches/#old-national-bank-see-2025-report-for-marquis-software-solut-2026 Compare it with the letter you received to confirm the dates and details match.
- Do I need a Old National Bank 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 Old National Bank 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 Old National Bank data breach settlement or claim be worth?
- There is no set amount, and no Old National Bank 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.
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Attorney advertising. This page reflects a public regulator filing; 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.