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Exam-style practice

Security of data continued answer explanations

Review worked answers and explanations for Security of data continued. Aligned to Cambridge IGCSE Information and Communication Technology.

Answer explanations

Question 1 of 2

Review the answer support, then move sideways through the set.

Paper 1 structured question: Security of data continued

Paper 1Theory2 marks

Description

Data Security Threats

Common threats include hacking, phishing, pharming, smishing, vishing, viruses, malware, and card fraud methods such as shoulder surfing, card cloning, and key logging. Protective measures include biometrics, digital certificates, SSL, encryption, firewalls, two-factor authentication, and user IDs with passwords.

  1. a

    Explain Explain how encryption helps protect data.

    [2]