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 Indiana 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. Enrolling does not give up your right to bring a claim.

Can I sue Old National Bank 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.

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 OpenIndiana AG filing · March 16, 2026

Old National Bank Files Data Security Incident Report in Indiana

Old National Bank reported a data security incident to the Indiana Attorney General following unauthorized access to its systems in August 2025. If you received a letter about this event, your personal information may have been affected. The bank is investigating to address the security of your data.

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

Old National Bank, a financial institution offering various banking and wealth management services, has officially reported a data security incident to the Indiana Attorney General. This report indicates that the bank experienced unauthorized access to its systems, potentially impacting personal information held by the institution.

The incident, which occurred on August 14, 2025, was reported to state authorities on March 16, 2026. Official filings note that the specific type of breach and the exact categories of information involved are currently unspecified. This information is derived directly from public records filed with state regulators, which serve as a neutral reference for such events.

If you have received a notification letter from Old National Bank concerning this incident, it signifies that your data may have been part of the unauthorized access. These notices are sent to inform individuals about the event and to outline steps the organization is taking to secure systems and address the situation.

To safeguard your personal information, it is advisable to regularly monitor your account statements and credit reports for any unusual activity. You may also consider placing a fraud alert or security freeze on your credit files, which can help prevent unauthorized parties from opening new accounts in your name. It's important to remain vigilant and take proactive steps to protect your identity.

This platform serves as a factual registry of reported data security incidents, based on official filings. The purpose is to provide clear, verified information to individuals seeking to understand and respond to data breach notifications they may receive.

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

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 Indiana 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. Enrolling does not give up your right to bring a claim.
Can I sue Old National Bank 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.
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.

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