(?? With the advent of the Internet era, the rapid development of network information technology has completely overturned the traditional office model, and the greatly improved office efficiency has made it impossible for us to leave the network; security threats, such as network data thieves, hacker attacks, virus publishers, and even leakers inside the system. Information security has become the primary issue in the informatization construction of various industries. In the face of this severe situation, the State Secrecy Bureau and the China Insurance Regulatory Commission have successively issued information security requests, clearly stipulating that it is necessary to physically block the classified computer information systems from the world Internet or other public information networks.
Founder Junyi M580 dual network barrier (USB) computer introduction.pdf)