Action of violation of principle of least common mechanism

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Reference no: EM1362601

A common technique for inhibiting password guessing is to disable an account after three consecutive failed login attempts.

a) Discuss how this technique might prevent legitimate users from accessing the system. Why is this action a violation of the principle of least common mechanism?

b) One can argue that this is an example of fail-safe defaults, because by blocking access to an account under attack, the system is defaulting to a known, safe state. Do you agree or disagree with this argument? Justify your answer.

Reference no: EM1362601

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