Malicious Software, or Malware, has many meaning and connotations. What is your definition of Malware and how would you explain it to a client?

"Malware is any type of software which is disruptive to normal computer operations. Not only can it damage your systems, but it can cause a security risk by gaining access to your systems and gather private information. Malware comes in several different forms including code, scripts, content which is malicious or other types of software. Malware is often unintentionally downloaded by authorized users on the network when they visit a website or click on a link."