DisclosureLens
UnknownHigh

1st Source Bank

bd_876f5cbbad14b688 · schema v1 · pii pii-v2

Severity

High

Discovered

—

Filed

Sep 21, 2023

To disclose

—

Affected · nationwide

450,000344,931 in this filing

Confidence

95%
Full breach record for 1st Source Bank →6 incidents on file

1st Source Bank reported a data breach to the Indiana Attorney General. The breach occurred on 2023-06-01 and was reported on 2023-09-21. 344,931 Indiana residents were affected. 450,000 individuals affected in total.

Incident timeline

Jun 1, 2023

Begins

Sep 21, 2023

Filed

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed450,000 affectedView incident

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.