California Sen. Kamala Harris' campaign said it also was preaching the basics of cybersecurity with staff, such as requiring two-factor authentication and using encrypted messaging.
He will be able to run for a second full Senate term in 2020 while running for president, thanks to a law that New Jersey's governor signed in November.
Harris supported legislation that passed the Senate last year that overhauled the criminal justice system, particularly when it comes to sentencing rules.