This book constitutes selected and revised papers from the First Silicon Valley Cybersecurity Conference, held in San Jose, USA, in December 2020. Due to the COVID-19 pandemic the conference was held in a virtual format.

The 9 full papers and 6 short papers presented in this volume were thoroughly reviewed and selected from 30 submissions. They present most recent research on dependability, reliability, and security to address cyber-attacks, vulnerabilities,faults, and errors in networks and systems.