Cyber security virus written on laptop keyboard
Image Source

A virus is a computer program that can replicate itself, infect a computer without permission or knowledge of the user, and then spread or propagate to another computer. An example of this would be a trojan horse virus or a worm virus.

Related Term: Antivirus, Macro Virus, Malware, Malicious Code

Source: CNSSI 4009

If you would like more information on this topic, watch this short video:

Share this on your social networks. Help Friends, Family, and Colleagues become more aware and secure.