Every public data breach

53 disclosed this week · 26,385 on record

Group Health Cooperative

2 breaches1,015 affected in allHealthcare

About

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

Added2026-09-25
Group Health Cooperative, 2013-10-03
Added2026-09-25
Group Health Cooperative, 2016-09-23
Added2026-09-25
Group Health Cooperative