Authentication is sometimes used interchangeably with authorizationAuthorization and authentication are generally used interchangeably by most people. However, there is a big difference between authorization and authentication..... However, they provide two different services or features to any system you are designing. Authentication is verifying that the user is the user they say they are. This is generally done with a username and a password to get into a system and access the user data on behalf of that user name.
Authentication is only used to grant access to a system. Once you are within the system, authorizationAuthorization and authentication are generally used interchangeably by most people. However, there is a big difference between authorization and authentication.... takes control and allows you to access specific parts based on the user that you are. Authentication can be outsourced to authentication as a service such as auth 0 or Octa, as well as an alternate login such as SSO from your Active Directory account or Google, Facebook, LinkedIn, or Twitter account.
