Every public data breach

Disclosed this week44On record26,355

44 disclosed this week · 26,355 on record

Cook County Health

2 breaches3,611 affected in allInsurance

Insider breachInsider exposed names and health records. Reported to the HHS archive.898 affectedInsuranceUSJul 2, 2021Insider breachInsider exposed names and health records. Reported to the HHS archive.2,713 affectedHealthcareUSJan 24, 2020
About

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

Added2026-09-25
Cook County Health, 2020-01-24
Added2026-09-25
Cook County Health, 2021-07-02
Added2026-09-25
Cook County Health