1
Software that replaces the user´s search engine with its own
2
An effort to gain unauthorised access to a computer
3
Affects privacy. It does not take control of a computer system, but sends information about the use of a computer system
4
A person who on purpose attempts to break into a computer system and use it without the knowledge of the owner
5
A program which is usually free but contains malicious files
6
A program that automatically plays commercials on a computer
7
Malicious software that can copy itself and infect the system
8
Spreads without the user taking action and usually acts in operation system
