Extremely sensitive private information belonging to residents of Walnut Creek and elsewhere in Contra Costa County may have been stolen last year during a data breach, the county warns.
The breach happened at the county’s Employment and Human Services Department. The potentially pilfered information included names and one or more of the following: Social Security numbers; driver’s license or state-issued identification numbers; financial account numbers; passport numbers; medical information and health insurance information.
The breach happened between June 24 and August 12, 2021.