Source: Difference between authentication and authorization
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Authentication and authorization are two distinct concepts related to user access and security in a software application, including Angular applications.
Authentication:
Authentication is the process of verifying the identity of a user or entity. It ensures that the user is who they claim to be. Authentication typically involves presenting credentials, such as a username and password, to prove identity. Once authenticated, the user is granted access to the application.
In the context of an Angular application, authentication is the process of verifying the identity of a user before allowing access to protected parts of the application. This can be achieved by implementing a login system where users provide their credentials and the application validates them against stored user data or an authentication service. Upon successful authentication, the user receives an authentication token or session, which is used to identify the user and grant access to restricted areas of the application.
Authorization: