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.

Received a Old National Bank (see 2025 Report for Marquis Software Solutions) notification letter? Read the letter guide

Investigation OpenIN AG filing · March 16, 2026

Old National Bank Files Data Breach Notice with Indiana Regulators

Old National Bank has submitted an official data breach notification to authorities in Indiana. The filing, dated March 16, 2026, indicates an incident occurred on August 14, 2025, potentially involving personal information.

State: IN
Breach date: August 14, 2025
Reported: March 16, 2026

Old National Bank has submitted an official data breach notification concerning an incident to regulatory authorities in Indiana. This filing, recorded on March 16, 2026, serves as a public record for affected individuals.

The specific nature of the breach is currently unspecified in the public record. Similarly, the types of personal information that may have been involved in this event are not detailed in the notification document.

The reported date of the data incident at Old National Bank is August 14, 2025. The filing indicates that an investigation into the circumstances of this event is ongoing, according to the official document.

Individuals who receive notifications related to this incident from Old National Bank are encouraged to review them carefully. General protective measures include monitoring accounts for unusual activity and being wary of unsolicited communications that request personal details.

This information is provided for reference based on the official filing with state regulators. DataBreachInformation.com compiles these reports to offer a factual registry of reported incidents for public access.

What to do if you were affected

These general steps can help limit the risk of identity theft and fraud after any data breach.

Stay alert to targeted scams
Be cautious of calls, texts, or emails that reference this breach. Legitimate organizations won't ask you to confirm sensitive details through an unsolicited message.
Keep your notification letter
Save the notice you received. It documents that your information was involved and is often needed to enroll in any credit monitoring offered or to join a related legal claim.

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.

Source: IN Attorney General filing

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