This document provides an overview of basic computer security practices and a top 10 list of good security habits. It explains that computer security protects systems and data from threats. While technology provides some protections, users are responsible for 90% of security through good practices. The top 10 list includes recommendations like backing up data, using strong passwords, keeping systems updated, practicing safe email and internet usage, and physically securing devices and data. The document emphasizes that everyone must understand and follow security practices to protect their devices, information and institutions from risks like data loss, identity theft and costly security incidents.