Utility Software

Question 1

Define defragmentation

Answer 1

Re-organising the data on a hard drive to speed up access (less disc accesses) and free up storage space

Question 2

What’s a virus?

Answer 2

A malicious computer program hidden inside another program. Can replicate itself and insert itself into other files to be passed on.

Question 3

What’s spyware?

Answer 3

Malware that often comes packaged with other (often free) software without the user’s knowledge. It spies by sending screenshots and key presses to the hacker.

Question 4

What’s ransomware?

Answer 4

Software designed to lock out user access to their system until a ransom is paid to unlock it.

Question 5

What’s a trojan?

Answer 5

Malware disguised as legitimate software, designed to cause damage or provide access to criminals.

Question 6

What’s a worm?

Answer 6

Malware with the ability to independently replicate itself and spread throughout a system.

Question 7

What are the two ways that anti-malware works?

Answer 7

• Compare files with a database of known malware signatures

- Heuristics; looking at suspicious behaviour such as a program trying to copy itself