Security is based on two fundamental concepts: authentication and authorization Access control is the model for implementing authorization. Once a user account has been authenticated, the type of access granted to an object is determined by the permissions that are attached to the object and, sometimes, by the User rights that are assigned to the user.
| • | For tips about access control, see Best practices |
| • | For help with specific tasks, see How to |
| • | For general background information, see Concepts |