BMO Harris Bank N.A.

BMO Harris Bank N.A. notified California AG on May 31, 2017 of a data breach, which occurred on May 15, 2017. Data exposed: Social Security number, Financial / bank account, Postal address, Name.

Organization: BMO Harris Bank N.A.
Source: California AG · source record
Date reported: May 31, 2017
Date(s) of breach: Monday, May 15, 2017
Residents affected: Not published by this source
Data exposed: Social Security number Financial / bank account Postal address Name
Notice letter: Sample notice (PDF)
First seen by BreachTally: 2026-10-30 16:18 UTC

Dates and counts as filed by the organization with the agency. The breach window and the report date often differ by months.

Data reproduced from a public government filing. Spot an error? Email support@breachtally.com with the record link. Corrections are applied and noted.