UserPermissions

UserPermissions refers to the configuration of access rights granted to a user or group to perform actions on resources within a computer system. These permissions determine who can read, modify, delete, or execute objects such as files, records, or services, and they are essential for enforcing security and operational boundaries.

Several models govern how permissions are assigned and evaluated. Access control lists enumerate explicit permissions for each object. Role-based access control assigns permissions to roles and then maps users to those roles. Attribute-based access control uses user attributes, resource attributes, and environmental conditions to make dynamic decisions. Discretionary and mandatory access control are also used in some environments.

A typical permission set includes actions such as read, write, execute, and delete, and may include finer-grained capabilities depending on the system. Permissions are managed through provisioning, updated as roles change, and revoked when access is no longer needed. Auditing and logging are commonly used to monitor usage and detect anomalies.

Best practices include the principle of least privilege, separation of duties, regular access reviews, just-in-time access, and default-deny configurations. Centralizing authorization and standardizing roles can reduce complexity and policy drift.

Examples span file systems, databases, cloud platforms, and enterprise applications. File systems apply read or write permissions at the file or directory level; databases use GRANT and REVOKE statements; cloud IAM policies define roles and permissions; and business applications implement permission matrices and workflow approvals.

See also: Authorization; Access control; Authentication; Identity and access management.