norm: old second national bankUSLEI B94HV8SXGDD3J5XESU08 · no CIKMax severity: Low↳ subsidiary of OLD SECOND BANCORP, INC.

Canonical registry

Old Second National Bank

ent_019e62887c75488018df718e49f3305a

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Disclosures

1

State AG · 1 jurisdiction

Multi-filing incidents

—

no multi-filing incident in sample

Max affected reported

1

as filed · State AG MT

Leak-site claims

0

none in sample

Identity resolution

Canonical name: Old Second National Bank
Normalized: old second national bank— dedupe via name-norm; Microsoft / MSFT collapse to one row
GLEIF LEI: B94HV8SXGDD3J5XESU08
SEC EDGAR CIK: None — not an SEC registrant
Domain: None on record
Corporate parent: OLD SECOND BANCORP, INC.— per GLEIF relationship records

Disclosure history (1)newest first

Montana State AGas victim2018-06-11
Old Second National Bank notified customers of a security incident where an employee's email account was compromised via suspicious activity. The unauthorized access may have exposed customer trust names and account numbers. The bank engaged forensic investigators, reset passwords, restricted remote email access, and enhanced email security measures.