BREACHCONFIRMED

Guidehouse on behalf of Community Memorial Health System located in Ventura, CA Data Breach

Health System • healthcare

Unknown
Records Affected
Jan 20, 2021
Disclosed
third party
Attack Vector

Data Exposed

NamesDates of BirthAddressesmedicalAccount Numbers

Timeline

OccurredJanuary 31, 2021
DiscoveredMarch 31, 2021
DisclosedJanuary 20, 2021

Last updated: February 4, 2026