MutualOne Bank
bd_4651fa2e7ef8f3d8 · schema v1 · pii pii-v1
Full breach record for MutualOne Bank →69 incidents on fileMutualOne Bank notified Massachusetts residents of fraudulent debit card transactions. The bank credited accounts, issued new cards, and advised customers on fraud alerts and security freezes. No specific data breach or system compromise was disclosed; the incident involved unauthorized use of existing credentials.
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Incident timeline — partial
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Breach window unknown
Jun 25, 2026
Filed
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No filing yet · watching
Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.
Evidence ladder
Attacker assertion only. Establishes: claim date, group, alleged victim.
Unlocks: incident narrative, operational impact. Still no compliance clock.
Unlocks: discovery date, data types, affected count, compliance clock.
Unlocks: materiality, stated response, full audit trail. Ceiling removed.