The Old National Bank (see 2025 Report for Marquis Software Solutions) Data Breach: Incident Facts and Free Case Review
Old National Bank is a financial institution that provides a wide range of banking, lending, and wealth management services to its clients. As a result of these operations, the bank maintains sensitive personal and financial data, including government identification numbers, account details, and private contact information. In 2026, the company officially reported a data security incident to the Indiana Attorney General involving unauthorized access to its systems. If you received a data breach notification letter from the bank, it indicates that your personal information may have been involved in this incident. This notice is intended to inform you of the nature of the event and the steps the institution is taking to address the security of your data.
- State
- Indiana
- Breach date
- August 14, 2025
- Reported
- March 16, 2026
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.
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