You can design security for your system which
incorporates both of the following features:
Users - User
accounts allow you to restrict access to your runtime system. Every
user needs to log in to the system with a user name and password to
gain access. User accounts can be set up for individuals or for
groups of users.
Areas - Areas
allow you to define geographical or functional boundaries in your
system.You can then control both the access users have to different
parts of the project, and the tasks they can perform.