BREACHCONFIRMED

Sonoma Valley Healthcare District Data Breach

Health System • healthcare

Unknown
Records Affected
Sep 10, 2020
Disclosed
ransomware
Attack Vector
Russian threat actor
Threat Actor

Data Exposed

NamesAddressesDates of Birthmedical

Timeline

OccurredOctober 11, 2020
DiscoveredOctober 11, 2020
DisclosedSeptember 10, 2020

Last updated: February 4, 2026