User security profiles are defined by a hierarchy of security identifiers (SIDs). They apply to both internal and external users. SIDs are the building blocks of a user's security profile. They are used to secure administrative functions, fields on a screen, organization units, locations, case audits. They are also used to secure programs offered by the organization, including products and service plans.
The primary focus of the user security profile is to ensure that all users are authorized to access the information that they need to carry out their jobs in the organization while at the same time restricting those users from accessing secured information. The secondary focus of the user security profile is finding a way to best manage these profiles so that the work of the system administrator does not become a repetitive task.