Suppose you are the security manager of a company and one of your goals is to design security mechanisms based on three security goals (1) prevent the attack (2) detect the attack or (3) recover from the attack. Depending on the situation or application, you have to adopt one of these security goals. For each of the following statements, give an example of an application or situation in which the statement is true.

(i). Prevention is more important than detection and recovery
(ii). Detection is more important than prevention and recovery
(iii). Recovery is more important than prevention and detection

(i) Prevention is more important than detection and recovery.

(ii) Detection is more important than prevention and recovery.

(iii) Recovery is more important than prevention and detection.

Explanation:

(i) Prevention is more important than detection and recovery.

Prevention of attack can be through various applications for example a walk through gates are placed in order to prevent any attacker from entering the premises and causing harm.

(ii) Detection is more important than prevention and recovery.

Detection of an attack can be done through for example a security alarm can detect an attack and inform others.

(iii) Recovery is more important than prevention and detection.

Recovery of an attack can be done by for example an insurance which will recover a portion of loss occurred during the attack.

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