To tackle the cybersecurity risks encountered during the digital transformation and smart port development in digital transformation and smart port construction and operation,a simulation and verification environment for industrial control networks is leveraging core industrial digital twin technology to create a simulation and verification environment for industrial control networks.By integrating actual port operations and employing two primary technologies—the virtualization of industrial control system's simulation environment and the security verification of industrial control simulation environment—it aims to enhance the port industry's capabilities in network security management,technical protection,and secure operations,offering a comprehensive,multi-dimensional security protection plan for smart port development.