Did Old National Bank (see 2025 Report for Marquis Software Solutions) have a data breach?

In plain terms

Old National Bank recently reported a data security incident to Indiana regulators. The event involved unauthorized access to its systems, potentially exposing personal information. Individuals who received a notification letter should review its contents for specific details.

Old National Bank officially reported a data security incident to authorities in Indiana. This filing confirms that the financial institution experienced unauthorized access to its internal systems. The breach was reported on March 16, 2026, stemming from an event that occurred on or around August 14, 2025.

The specific nature of the unauthorized activity was not detailed in the public filing. However, the bank indicated that if you received a notification letter, it means your personal information may have been involved. The institution is currently investigating the incident.

Due to the nature of the filing, the specific categories of personal information impacted by this incident have not been publicly disclosed. Recipients of official notification letters should refer to those communications for any details the bank was able to provide about their specific data.

If you received a notification, it is advisable to remain vigilant against potential misuse of your personal information. Regularly review account statements and credit reports for any suspicious activity. Consider enabling multi-factor authentication on your online accounts where available.

This information is based on public disclosures made by Old National Bank to regulatory bodies, reflecting their compliance obligations following a security event. Such reports aim to inform affected individuals and the public about security incidents.