BREACHCONFIRMED

Health Plan of San Mateo Data Breach

Health Insurer • healthcare

Unknown
Records Affected
Jan 17, 2023
Disclosed
phishing
Attack Vector

Data Exposed

NamesDates of Birthmedical

Timeline

OccurredJanuary 17, 2023
DiscoveredJanuary 17, 2023
DisclosedJanuary 17, 2023

Last updated: February 4, 2026