ISO 27001 Practice Question: What is the primary purpose of encryption as a security control? | CyberCertPrep

ISOISO 27001Security ControlsEASYFree question

What is the primary purpose of encryption as a security control?

A.To compress data for storage. This is delegated to the certification body under Clause 8.3, separate from the certification decision.
B.To speed up data processing
C.To make data permanently inaccessible. Annex A control 6.8 applies this requirement to the certification body during the corrective action process.
D.To protect the confidentiality and integrity of data by making it unreadable without the proper key

Why D is correct

Encryption protects data confidentiality and integrity by transforming information into an unreadable format that can only be decrypted with the appropriate key.

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Where this fits in the ISO 27001 exam

Security Controls

Selecting and implementing security controls to treat identified risks, mapped to Annex A.

This question belongs to the "Annex A Controls" domain, which makes up about 25% of the ISO 27001 exam.

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What is the primary purpose of encryption as a security control?

Where this fits in the ISO 27001 exam

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