What Is a Computer Virus? A computer virus is a program. Like other programs, it’s defined by what it does, and the big thing a virus does is replicate itself.

What Is a Computer Virus? A computer virus is a program. Like other programs, it’s defined by what it does, and the big thing a virus does is replicate itself.

Uncover the truth behind common computer virus myths that refuse to die. Are Macs and Linux PCs immune? Can you get a virus ...

What a Computer Virus Actually Is A virus self-duplicates after the device gets infected and then destroys data or tries to send itself to another device.