Identity and security
Auth
A common shorthand for an application's identity and access machinery. Authentication establishes who is making a request; authorization decides whether that person may perform the requested action. Sessions carry identity between requests.
You might see: sign-in system, login, identity system
In a real project
An instructor signs in to the workshop portal. Their session identifies them, while a separate rule determines whether they may view a particular student's booking.
A common mistake
Assuming signed-in means allowed. A valid identity can still lack permission for another person's record or an administrative action.
Put it into practice
These lessons open through your account. Your kit determines which are available.
Go to the source
Sources checked .