Difference between Authentication and Authorization

Question

Accepted Answer

Authentication verifies the identity of a user, while authorization determines what actions the user is allowed to perform.

Authentication confirms the identity of a user through credentials like passwords or biometrics.
Authorization determines the level of access or permissions granted to a user.
Authentication precedes authorization in the security process.
Example: Logging into a website with a username and password is authentication, while being able to access certain pages or perform specific actions after logging in is authorization.

Accepted Answer

First the entity who want to access a network resource or want to acess web application they want to authenticate themselves to confirm their identity like username password then the next step is authorization like how much permissions they had like they are able or unable to operate manage edit add delete the data or information. To implement the authentication there are various methods like one time password (OTP), key based authentication, password based authentication. To implement authorization there are some methods like access control list, chmod, set facl, get facl etc.., hope you will get understand.

Accepted Answer

1) Authentication is to verify the user.

Authorization is to give the permission to user to do something.

2) Authentication is visible to user.

Authorization is not visible by the user.

3) Authentication is the first step of access the security control.

Authorization is come after authentication.

Difference between Authentication and Authorization

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