Dynamic permissions in internal developer portals, such as those offered by Port, enhance security, compliance, and user experience by allowing access rights to adjust based on variables like role, time, and system state, without requiring coding. Unlike static permissions, dynamic permissions adapt to changes in real-time, ensuring that only authorized users can access sensitive data or perform specific actions, which is vital for maintaining security and enforcing company policies. Port uses blueprints to define entities within its catalog, allowing sophisticated permission configurations based on properties like "Business Unit," thus enabling scenarios where access is precisely tailored to organizational needs. This approach not only supports compliance but also customizes user experiences by reducing portal clutter and ensuring users see only what is relevant to them, thus streamlining workflows and enhancing productivity.