Contra Costa Health Plan

1 breach862 affected in allHealthcare

Insider breachInsider exposed names and health records. Reported to the California AG.862 affectedHealthcareUSDec 13, 2018

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Every breach here links to its sources and official notices. Across Glyph: lawsuits, incidents and outages.

attack2026-09-25

Contra Costa Health Plan, 2018-12-13insider

data_types2026-09-25

Contra Costa Health Plan, 2018-12-13["names","health"]

records_basis2026-09-25

Contra Costa Health Plan, 2018-12-13hhs

records2026-09-25

Contra Costa Health Plan, 2018-12-13862

summary2026-09-25

Contra Costa Health Plan, 2018-12-13On May 22, 2018, the covered entity (CE), Contra Costa Health Plan, discovered that a business associate (BA) had provided services under a false identity. The CE investigated and determined that during her work for the CE the BA had access

Added2026-09-25

Contra Costa Health Plan, 2018-12-13

Added2026-09-25

Contra Costa Health Plan