Role Based Access Control (RBAC) is a model of access control that assigns permissions to users based on their roles, rather than their individual identities. The core component of RBAC is the role, which is a collection of permissions that define what operations a user can perform on what protected objects. The required data elements for RBAC are:
Users: The entities that request access to the protected objects. Users can have one or more roles assigned to them, depending on their functions and responsibilities in the organization.
Roles: The logical groups of permissions that grant access to the protected objects. Roles can be defined based on job titles, business functions, projects, or other criteria. Roles can also be hierarchical, meaning that a role can inherit permissions from another role.
Operations: The actions that can be performed on the protected objects, such as read, write, delete, execute, etc. Operations can be defined at different levels of granularity, depending on the security requirements and the nature of the protected objects.
Protected objects: The resources that are subject to access control, such as files, databases, applications, devices, networks, etc. Protected objects can have different attributes, such as owner, type, location, classification, etc., that can affect the access decisions.
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