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.

  • Question 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.

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  • Question 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.

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  • Question 4Oct/Nov 2024, paper 13Structured6 marks

    Complete the table to give the missing term or description for the internet terms.

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  • Question 6Oct/Nov 2023, paper 11Structured4 marks

    Draw and annotate a diagram to demonstrate how a firewall works.

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  • Question 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.

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  • Question 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…

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  • Question 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.

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  • Question 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.

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  • Question 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.

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  • Question 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.

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  • Question 8Oct/Nov 2023, paper 12Structured6 marks

    Draw and annotate a diagram that demonstrates the cyber security threat of data interception.

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  • Question 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.

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  • Question 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.

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  • Question 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.

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  • Question 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).

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  • Question 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.

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  • Question 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.

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  • Question 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.

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  • Question 8May/June 2023, paper 13Structured5 marks

    Complete the statements about a distributed denial of service (DDoS) attack.

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