Old National Bank (see 2025 Report for Marquis Software Solutions) data breach
USUnited States
Old National Bank (see 2025 Report for Marquis Software Solutions) (United States) notified the Indiana Attorney General of a data breach on 16 March 2026. It affected 672,075 people. The breach began on 14 August 2025, 214 days before it was reported.
Status
Confirmed breach
People affected
672,075 people
Reported
16 March 2026
Breach began
14 August 2025
Time to tell
214 days (the median in California’s notices over the last year: 154 days)
What was exposed
The register’s list does not say what was exposed; the notice it links to (under Sources) usually does.
If Old National Bank (see 2025 Report for Marquis Software Solutions) had your data
Look for Old National Bank (see 2025 Report for Marquis Software Solutions)’s own notice or letter: it should say what of yours was involved. Keep it.
The register’s list does not say what was exposed; the notice it links to (under Sources) usually does. If Old National Bank (see 2025 Report for Marquis Software Solutions) has a password of yours, change it now to be safe.
Expect scams that use your details: calls, texts or emails pretending to be Old National Bank (see 2025 Report for Marquis Software Solutions), your bank or the police. Never give codes or passwords, never approve a sign-in you did not start, never move money.
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