Old National Bank Breach: What Your Claim Could Be Worth
Old National Bank reported a data security incident to the Indiana Attorney General in March 2026, confirming unauthorized access to its systems. If you received a breach notification letter, your personal information may have been compromised. This event could entitle you to compensation, and understanding your options is the first step.
This breach is real, not a scam. Old National Bank (see 2025 Report for Marquis Software Solutions) officially reported it to the Indiana Attorney General on March 16, 2026.
Reviewed by David S. Harris, Esq., data breach and class action attorney (Florida Bar No. 0112739). Free consultation: 786-306-7278
Received a Old National Bank (see 2025 Report for Marquis Software Solutions) notification letter? Find out in minutes if you qualify for compensation.
Free case review- State
- Indiana
- Breach date
- August 14, 2025
- Reported
- March 16, 2026
If you received a data breach notification letter from Old National Bank, it confirms that your personal information was involved in a security incident. The bank reported to the Indiana Attorney General that unauthorized access to its systems occurred on August 14, 2025, with the incident officially reported to authorities on March 16, 2026. This letter is your signal that your data may be at risk, and it’s important to understand what happened.
The bank is currently investigating the full scope of the breach, but has acknowledged that customer personal information was exposed. While the specific types of data are not detailed, any unauthorized access to your information can lead to significant concerns, including potential identity theft or fraud.
Receiving a data breach notification means you should take action. Carefully review the letter from Old National Bank for any recommended steps specific to your situation. It's always wise to monitor your accounts for unusual activity and be vigilant against unexpected communications, as these could be attempts to exploit your exposed data.
Many individuals who receive these letters wonder what their rights are and if they can recover damages. Data breaches can cause real stress and financial insecurity, and you may be entitled to compensation for the risks and potential harm caused by this exposure. Learning about your potential claim and its value is a critical next step.
An attorney can help you understand your legal options and guide you through the process of seeking compensation. Many firms offer a free case review, meaning you can discuss your situation without any upfront cost, and you only pay if they recover funds on your behalf. This approach ensures you can explore your options without financial risk.
Received the Old National Bank (see 2025 Report for Marquis Software Solutions) notification letter? The Old National Bank (see 2025 Report for Marquis Software Solutions) case file tracks this filing.
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.
Old National Bank data breach settlement, compensation and claim questions
- 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.
- 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.
- 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.
- 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.
- 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.
- Do I need a Old National Bank data breach lawyer or attorney?
- A data breach lawyer can tell you whether your situation supports a claim and what it may be worth. A review here is free, and law firms usually take these cases on contingency, so there is no upfront cost.
- 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.
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