The most menacing type of cyberattack is invisible. A stealthy attack operates quietly, hiding evidence of an attacker’s actions. Since they do not see the threat, administrators often believe they don’t have a problem. Without something to “fix,” cost justifying these systems has seemed difficult and unnecessary—until the company falls victim to an attack or data loss. In this solution brief, you will learn what a stealthy attack is, the solutions to dealing with it and some of the best practice considerations.