Past Papers 2021

Q1 (a) Cyber security aims to protect networks. Identify two other items that cyber security is designed to protect.

• Data

• Computer

• money

• Confidentality

Q1 (b) A cyber security attack has resulted in records being removed. What type of cyber security incident has occurred? [1 Mark]

Q1 (c) Unauthorised access has been made to computer materials stored on a network. Which Act has been broken? [ 1 Mark]

Q1 (d) One purpose of cyber security is to keep data and information confidential. Identify one other purpose of cyber security [1 Mark]

Q2 (a) An ice cream seller has a number of shops. Each shop has several computer devices on a network connected to the Internet. The computer devices can be used to check stock levels of ice cream and, using supplier details stored on the devices, to order more. The devices are also used to process customers’ online orders. The shops have been targeted by a cyber security attack. The attack caused a Denial of Service (DoS). Identify the type of vulnerability that can lead to a Denial of Service (DoS) threat. [1 Mark]

• No access to Data

• no access to water

• no access to paper

• business stops

Q2 (b) Describe how a Denial of Service (DoS) attack can occur. [3 Marks]

• When a hacker takes control of the system/infrastructure.

• When a system is locked and need to pay ransom to unlock it

• When entire network is locked and have no access to any information/data.

• when there is traffic and you cannot drive out of it.

Q2 (c) The shops’ services have suffered disruption following the Denial of Service (DoS) attack. Identify and describe one disruption impact of the Denial of Service (DoS) on the shops. [3 Marks]

• All orders have stopped

• No customer can login to place order

• Dispatch will be disrupted

• police close the street

Q2 (d) One other threat to the network is a botnet. Describe what is meant by a botnet. [3 Marks]

• A computer with printer

• a network of computers controlled by single computer

• a network connected to control system.

• a computer infected with DDos

Q2 (e) During the attack, the malware was installed on the network. Identify two types of malware. [2 Marks]

• Spyware

• hardware

• worm

• viras

Q2 (f) Some ice cream suppliers have received emails asking them to click on a link and provide their bank account details. Identify and describe the type of attacker that uses this method. [3 Marks]

• Phishing email

• Trusted entity

• acquiring sensitive info

• to destroying data