Why bring the industrial chain and supply chain security into the national security system?

supply chain security is the foundation. Among all security, enterprise supply chain security is the foundation, industry and city supply chain security is the focus, and national supply chain security is the foundation. But the core is the physical security and network security of supply chain. Physical security refers to the security of supply chain infrastructure, technology and equipment, and the free flow of goods and production factors in the upstream and downstream of supply chain; Network security refers to the security of relevant information and data in the supply chain network, including software and hardware security.