DisclosureLens
UnknownFinancial ServicesFinanceCustomer Data InvolvedFinancial accountFinancial credentialsLow

MutualOne Bank

bd_957c46807c5a3ec6 · schema v1 · pii pii-v1

Severity

Low

Discovered

—

Filed

Apr 30, 2026

To disclose

—

Affected

13state residents only

Confidence

67%
Full breach record for MutualOne Bank →438 incidents on file

MutualOne Bank notified a customer of fraudulent debit card transactions. The bank credited the account and issued a replacement card. The notice advises the customer to monitor statements, place fraud alerts, and consider a security freeze. No specific breach dates, counts, or attack vectors are disclosed in this individual notification.

Incident timeline — partial

? — ?

Breach window unknown

Apr 30, 2026

Filed

No interval is drawn: no breach start or discovery date is on record for this filing.

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed13 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.