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Software Development Web Development Web Security

Authentication vs Authorization what is the difference?

Authentication/Authorization these terms are often confused. Here I will clarify them.

Authentication — Login, proving who a user is one way or another. After a user is logged into a system a session cookie is usually created to re-authenticate the user so they don’t have to login every single page view.

Authorization — Can a user view or access something once Authenticated? Authorization includes things like administration panel access, viewing a users profile or post or media etc.