The term "computer virus" was coined by Fred Cohen in the early 1980s, because like its biological counterparts, the computer virus is essentially a sequence of information that codes its behavior in a host system.
If you're not careful and you don't use anti-malware software, you might end up with various viruses, Trojans and worms on your computer.
An unnamed virus with a "keylogger" payload has been found in the computers used to operate U.S.
IT teams are still struggling to protect their businesses from spam email and viruses, according to Mimecast.
The dispatch system of the Ambulance Service of New South Wales - the Australian most populous state - has been downed on Saturday by an unspecified virus.