Authentication is an essential component of security. It is part of the concept called AAA services. AAA services stands for authentication authorization and accounting.
Authentication refers to the process of claiming and proving ownership of an identity.
Authorization is the mechanism that allows you to control what you can do or access.
Accounting, also known as auditing, is the recording and review of events in a log. This allows you to compare the activities with the policies and rules to find violations or confirm compliance.
This guide will cover each type of authentication, their functions, and why you should use them.
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