Understanding your Old National Bank (see 2025 Report for Marquis Software Solutions) data breach notification letter

What to know about the Old National Bank data breach

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.

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.

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.

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.

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.

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.

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.