Got a notice from Old National Bank (see 2025 Report for Marquis Software Solutions)? Here’s what to do.
Old National Bank recently reported a data security incident in Indiana where unauthorized access to its systems occurred. If you received a letter, it means your personal information may have been involved. This event could put your data at risk, so understanding next steps is important.
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
- Indiana Attorney General
- Date filed
- March 16, 2026
- People notified
- Not stated
- Cause in filing
- Not stated
Receiving a data breach notification letter from Old National Bank can be concerning. This letter is meant to inform you that your personal information might have been exposed due to a security incident the bank experienced.
The bank reported that unauthorized access to its systems took place on August 14, 2025. This incident was officially reported in Indiana on March 16, 2026. Because of this, some of your personal information held by Old National Bank could now be in the hands of unauthorized individuals.
Your first step is to carefully read the notice from Old National Bank. It may contain important details specific to your situation and offer resources like credit monitoring. It's also wise to monitor your bank accounts and credit reports for any unusual activity. Be cautious of unexpected emails or calls asking for personal details, as these could be phishing attempts.
Over the next few weeks, remain vigilant. If the bank offers free credit monitoring or identity theft protection services, consider enrolling. Regularly check your financial statements and credit reports for anything suspicious. Fraudulent activity often appears small at first.
Understanding what happened and taking prompt action can help protect you. When your personal information is exposed, it can lead to various risks, including identity theft or financial fraud.
If you are worried about the Old National Bank data incident and how it might affect you, our team offers a free case review. We can help you understand your rights and potential next steps, without any obligation.
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 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.
- 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.
- 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 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.
- 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.
Other notices sent in Indiana
- Bozeman School DistrictIndiana Attorney General · Filed date pendingCount not stated
- Bozeman School DistrictIN Attorney General · Filed date pendingCount not stated
- Teamsters Local 17Indiana Attorney General · Filed date pendingCount not stated
- Teamsters Local 17IN Attorney General · Filed date pendingCount not stated
- BankIndiana Attorney General · Filed date pendingCount not stated
- BankIN Attorney General · Filed date pendingCount not stated
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.