Explain the significance of encryption, Computer Engineering

Problem:

(i) What are the main threats that an organisation holding sensitive data, such as Public Data, on computer storage must guard against?

(ii) To protect such data, a logical access system is essential. What is logical access system, how might it work?

(iii) Explain the significance of the following terms in the context of data security:

Encryption
Hacking
Computer Viruses.

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