Bison State Bank

Bison State Bank notified the New Hampshire Attorney General of an unauthorized access to a single email account between April 17, 2025, and June 30, 2025. The incident affected one New Hampshire resident, whose full name, Social Security number, and credit card information were potentially accessed. The bank discovered the breach on January 6, 2026, contained the incident, engaged forensic experts, and mailed notifications to the affected individual on January 26, 2026, offering complimentary credit monitoring.

Bison State Bank disclosed that an unauthorized actor accessed a single employee email account between April 17, 2025, and June 30, 2025. The account contained personal information including full names and other variable data elements. The bank secured the network, engaged external cybersecurity professionals, and conducted a data review. Affected individuals are offered credit monitoring services.

Bison State Bank notified Nebraska residents of a data breach involving unauthorized access to a single email account between April 17, 2025, and June 30, 2025. The incident involved personal information, including names. The bank secured its network, engaged external cybersecurity professionals, and is offering complimentary credit monitoring services to affected individuals. No evidence of misuse was found.