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"Authentication vs Authorization explained"

This should yield videos that explain the concepts, differences, and protocols related to authentication and authorization in various contexts, such as web development, cybersecurity, and identity management.

Authentication and Authorization are two fundamental concepts in the field of security, often used together but serving distinct purposes. Here’s a breakdown of their differences:

1. Authentication
Definition: Authentication is the process of verifying the identity of a user or system. It answers the question: Who are you?

Purpose: To confirm that the user or system attempting to access a resource is indeed who they claim to be.

Process:

The user provides credentials (such as a username and password, fingerprint, or a digital certificate).
The system checks these credentials against a stored set of data (e.g., a database).
If the credentials match, the user is authenticated, meaning the system recognizes their identity.
Example: Logging into an email account with a username and password.

2. Authorization
Definition: Authorization is the process of determining what resources or actions a user or system is allowed to access. It answers the question: What are you allowed to do?

Purpose: To determine what permissions an authenticated user has within the system.

Process:

Once the user is authenticated, the system checks their permissions or roles to decide what resources they can access and what actions they can perform.
This could involve checking role assignments, access control lists, or specific policies that define what the user can do.
Example: After logging into the email account, being able to read emails is an authorization granted based on the user's role. However, accessing the account settings might require a different level of authorization.
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