BREACHCONFIRMED

Quest Diagnostics Data Breach

Lab/Diagnostics • healthcare

Unknown
Records Affected
Oct 29, 2021
Disclosed
insider
Attack Vector

Data Exposed

Social Security NumbersNamesEmail Addresses

Timeline

OccurredOctober 29, 2021
DiscoveredOctober 29, 2021
DisclosedOctober 29, 2021

Last updated: February 4, 2026