BREACHCONFIRMED

Blue Cross of California Data Breach

Health Insurer • healthcare

Unknown
Records Affected
Aug 25, 2021
Disclosed
ransomware
Attack Vector

Data Exposed

NamesDates of BirthEmail AddressesPhone NumbersAddressesSocial Security NumbersmedicalAccount Numbers

Timeline

OccurredAugust 25, 2021
DiscoveredAugust 27, 2021
DisclosedAugust 25, 2021

Last updated: February 4, 2026