BreachCensus

Mutual One Bank

United States of America

Mutual One Bank is an organisation in Massachusetts. It has filed 330 notices across 8 years with the Massachusetts Attorney General breach-notification register; the most recent notice was filed on May 20, 2026.

Data as of August 31, 2026.

20261 notice (May 20, 2026), MA
20251 notice (July 11, 2025), MA
202424 notices (January 10, 2024 – May 2, 2024), MA
202384 notices (January 3, 2023 – December 30, 2023), MA
202261 notices (January 13, 2022 – December 30, 2022), MA
202156 notices (January 6, 2021 – December 28, 2021), MA
202053 notices (January 2, 2020 – December 30, 2020), MA
201950 notices (January 7, 2019 – December 23, 2019), MA