Authentication and authorization are two important concepts in website security, and they serve different purposes:
Authentication:
What it is: It's the process of verifying who someone is.
Example: When you log into a website using your username and password, you are proving your identity. This is authentication. It answers the question, "Are you who you say you are?"
Authorization:
What it is: It's the process of determining what someone is allowed to do.
Example: Once you've logged in, the website checks what actions you can perform, like viewing your profile, modifying data, or accessing certain sections. This is authorization. It answers the question, "What are you allowed to do?"
In simple terms, authentication is about checking your identity, while authorization is about checking your permissions.
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