The Middlefield Banking Company

The Middlefield Banking Company notified California AG on Dec 21, 2023 of a data breach, which occurred on Apr 11, 2023. Data exposed: Passport number, Date of birth, Name.

Organization: The Middlefield Banking Company
Source: California AG · source record
Date reported: Dec 21, 2023
Date(s) of breach: Tuesday, April 11, 2023
Residents affected: Not published by this source
Data exposed: Passport number Date of birth Name
Notice letter: Sample notice (PDF)
First seen by BreachTally: 2026-10-30 15:42 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.