Malware is short for "malicious software." It includes viruses and spyware that get installed on your computer or mobile device without your consent. These programs can cause your device to crash and can be used to monitor and control your online activity. Learn more about how to avoid, detect, and get rid of malware.
Learn more at http://www.onguardonline.gov/malware
What's Malware and why should you care?: http://youtu.be/XU8PHihT_P4