IGCSE Computer Science 0478, topic 5.3
Cyber security: past paper questions
19 Cambridge IGCSE Computer Science 0478 questions on Cyber security (5.3) from 16 papers, 2023 to 2026. Open the paper or try a question free.
Practising builds a set from this topic, free with an account. One question opens straight away, with no account.
- Questions
- 19
- Papers
- 16
- Years
- 2023 to 2026
- Total marks
- 194
- Average per question
- 10.2 marks
- Largest question
- 20 marks
By type: Structured 19
How hard the questions are
- Recall0
- Apply14
- Analyse5
- Not banded0
Derived from the command word Cambridge prints in each question, banded by a fixed table beside the syllabus's own definitions. A question printing no command word is unbanded: unknown, not middling.
Command words
- describeApply9 questions
state the points of a topic / give characteristics and main features
- giveRecall9 questions
produce an answer from a given source or recall/memory
- completeApply6 questions
- drawApply6 questions
- identifyRecall6 questions
name/select/recognise
- explainAnalyse5 questions
set out purposes or reasons / make the relationships between things clear / say why and/or how and support with relevant evidence
- stateRecall5 questions
express in clear terms
- useApply4 questions
- showApply2 questions
- findApply1 question
Where the questions come from
By year
- 20262
- 20255
- 20244
- 20238
By session
- May/June12
- Oct/Nov7
By paper
- Paper 119
Questions on this topic
Showing 19 of 19, spread across the years. Open one to write your answer and have it marked.
- Try this questionQuestion 5May/June 2026, paper 12Structured10 marks
Cyber security threats are a problem when using the internet. Complete the table by writing the missing terms and descriptions about cyber security threats.
- Try this questionQuestion 4Oct/Nov 2025, paper 11Structured16 marks
A computer game development company are reviewing their current security solutions. The company wants employees to be aware of how they can identify phishing.
- Try this questionQuestion 4Oct/Nov 2024, paper 13Structured6 marks
Complete the table to give the missing term or description for the internet terms.
- Try this questionQuestion 6Oct/Nov 2023, paper 11Structured4 marks
Draw and annotate a diagram to demonstrate how a firewall works.
- Try this questionQuestion 7May/June 2026, paper 13Structured5 marks
Cyber security threats are a concern for any company that stores data using a network. Complete the statements about cyber security threats.
- Try this questionQuestion 6Oct/Nov 2025, paper 12Structured14 marks
An online clothing company has a homepage at the uniform resource locator (URL) https://www.cieclothes.com/index.html Write down the three different parts of…
- Try this questionQuestion 9May/June 2024, paper 11Structured20 marks
A company owner has installed a new network. Data is correct before it is transmitted across the network. The company owner is concerned that data might have errors after transmission.
- Try this questionQuestion 1Oct/Nov 2023, paper 12Structured3 marks
Malware can be used to corrupt data stored on a computer. Tick (✓) one box to show which cyber security threat is not a type of malware.
- Try this questionQuestion 4Oct/Nov 2025, paper 13Structured12 marks
A cyber security company specialises in security solutions that help prevent hackers being successful. Identify two security solutions that can be provided to help prevent hackers being successful.
- Try this questionQuestion 8May/June 2024, paper 12Structured6 marks
A company has a website that is suffering a distributed denial of service (DDoS) attack. Draw and annotate a diagram to show the process of the DDoS.
- Try this questionQuestion 8Oct/Nov 2023, paper 12Structured6 marks
Draw and annotate a diagram that demonstrates the cyber security threat of data interception.
- Try this questionQuestion 9May/June 2025, paper 11Structured10 marks
Each employee in a finance company has a computer and an electronic account. Each computer has an operating system. One function of the operating system is to manage memory.
- Try this questionQuestion 7May/June 2024, paper 13Structured18 marks
A company has a network that includes a web server. Data is transmitted across the network using serial half-duplex data transmission. Draw and annotate a diagram to show how the data is transmitted using serial half-duplex data transmission.
- Try this questionQuestion 8May/June 2023, paper 11Structured10 marks
A manager at a company is concerned about a brute-force attack on its employee user accounts. Describe how a brute-force attack can be used to gain access to the employee user accounts.
- Try this questionQuestion 5May/June 2025, paper 13Structured16 marks
An online company has a website that allows a user to buy products. The user types in the uniform resource locator (URL) for the website and this is sent to a domain name server (DNS).
- Try this questionQuestion 10May/June 2023, paper 11Structured14 marks
A student uses the internet for their schoolwork to research what is meant by pharming. State the aim of pharming.
- Try this questionQuestion 7May/June 2023, paper 12Structured10 marks
A distributed denial of service attack (DDoS) is a cyber security threat. Draw and annotate a diagram to represent the process of a DDoS.
- Try this questionQuestion 6May/June 2023, paper 13Structured9 marks
A student is writing a help guide about how to recognise and avoid the cyber-security threat of pharming. Give three appropriate solutions he could include.
- Try this questionQuestion 8May/June 2023, paper 13Structured5 marks
Complete the statements about a distributed denial of service (DDoS) attack.






