1.4

Question 1

Define malware.

Answer 1

Malware (malicious software) is any software that has been created with malicious intent to cause harm to a computer system.

Question 2

What is a virus?

Answer 2

A virus is a program which can replicate itself on a user’s computer and contains code that will cause unwanted and unexpected events to occur, such as corrupting files, deleting data, or preventing applications from running correctly.

Question 3

What is a worm?

Answer 3

Worms are similar to viruses, with the main difference being that they will spread to other drives and computers on the network.

Question 4

What is a Trojan?

Answer 4

A Trojan, sometimes also called a Trojan Horse, is a type of malware that disguises itself as legitimate software but contains malicious code in the background.

Question 5

Define spyware.

Answer 5

Spyware is software that allows a person to spy on the users’ activities on their devices, such as recording the screen, logging keystrokes, and gaining access to passwords.

Question 6

What is ransomware?

Answer 6

Ransomware is a form of malware that locks your computer or device and encrypts your documents and other important files, often demanding money to receive the password that will allow the user to decrypt the files.

Question 7

Define social engineering.

Answer 7

Social engineering is exploiting weaknesses in a computer system by targeting the people that use or have access to them.

Question 8

Define firewall.

Answer 8

A firewall is a barrier between a network and the internet that filters requests and prevents unwanted traffic from entering the network.