IT security and safety.

Malicious software that can copy itself and infect the system.

• virus

• malware attack

• spyware

• worm

• browser hijacker

A program which is usually free but contains malicious files.

• virus

• malware attack

• adware

• worm

• browser hijacker

Affects privacy. It does not take control of a computer system, but sends information about the use of a computer system.

• spyware

• malware attack

• adware

• worm

• browser hijacker

Spreads without the user taking action and usually acts in operation system.

• spyware

• malware attack

• adware

• worm

• browser hijacker

A person who on purpose attempts to break into a computer system and use it without the knowledge of the

owner.

• spyware

• hacker

• adware

• worm

• browser hijacker

Software that replaces the user's search engine with its own.

• spyware

• hacker

• adware

• worm

• browser hijacker

An effort to gain unauthorized access to a computer.

• spyware

• malware attack

• adware

• worm

• browser hijacker

Prevents damage that viruses might cause ...

(a)  

Blocks unauthorised access codes ...

(a)  

Make sure only authorised people access the network ...

(a)