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Computer Science · May / June 2021 · Paper 12 · Question 4

0478

As printed in the paper

The question as text

Three types of Internet security risk are virus, spyware and denial of service (DoS) attack.

Read automatically from the paper; the printed page above is exact.

Show the answer and mark scheme

  • 4(a)[6]

    One mark per each correct row.

    Virus

    Spyware

    Denial of Statement

    (✓)

    (✓)

    service (✓) captures all data entered using a keyboard

    can be installed onto a web server
    prevents access to a website
    is malicious code on a computer
    is self-replicating
    damages the files on a user’s hard drive

  • 4(b)[3]

    Any three from:

    Phishing
    Pharming
    Hacking // cracking

  • 4(c)[3]

    Any three from:

    Human error
    Power failure/surge
    Hardware failure
    Software failure
    Fire
    Flood
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