Every public data breach

Disclosed this week44On record26,355

44 disclosed this week · 26,355 on record

County of Contra Costa, California

1 breachGovernment

Breach, details not statedBreach notice filed with the California AG, details not stated.GovernmentUSMay 11, 2023
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Every breach here links to its sources and official notices. Across Glyph: lawsuits, incidents and outages.

Added2026-09-25
County of Contra Costa, California, 2023-05-11
Added2026-09-25
County of Contra Costa, California