Management Of Information Security
Management Of Information Security
6th Edition
ISBN: 9781337405713
Author: WHITMAN, Michael.
Publisher: Cengage Learning,
Expert Solution & Answer
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Chapter 12, Problem 1RQ

Explanation of Solution

Differences between authentication and authorization:

AuthenticationAuthorization
It approves the individuality of the person who is accessing a physical or logical area.It defines what activities a person can perform in a specific physical or logical area.
It is the method of authenticating user authorizations to gain user access.It is the method of authenticating whether access is permitted or not.
It usually requires a username and a password.It requires different authentication factors depending on the security level.
It is the first step of authorization so always comes first.It is done after successful authentication.

Explanation of Solution

Reason:

A system cannot permit authorization without authentication because first the system wants to identify the person’s identity in order to identify what authorization level the person possesses.

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