Every public data breach

Disclosed this week47On record26,367

47 disclosed this week · 26,367 on record

Unitedhealth Group

2 breaches1,755 affected in allInsurance

Material cybersecurity incident reported to the SEC (8-K Item 1.05)Material cybersecurity incident reported to the SEC (8-K Item 1.05)USFeb 22, 2024Insider breachInsider exposed names and health records. Reported to the HHS archive.1,755 affectedInsuranceUSMar 15, 2018
About

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

records2026-09-25
Unitedhealth Group, 2018-03-151755
disclosed2026-09-25
Unitedhealth Group, 2018-03-152018-03-15
Added2026-09-25
Unitedhealth Group, 2018-03-15
lawsuits_ref2026-09-25
Unitedhealth Group, 2024-02-22in-re-change-healthcare-breach-mdl
lawsuit2026-09-25
Unitedhealth Group, 2024-02-22In re Change Healthcare Customer Data Security Breach Litigation (filed 2024-06-07)
Added2026-09-25
Unitedhealth Group, 2024-02-22
Added2026-09-25
Unitedhealth Group