Through the basic IoT components of perception layer, network layer and application layer and by implementing horizontal and vertical in-depth defense respectively from computing nodes, network communication and regional boundaries, the level protection of IoT information systems is achieved.
Based on study of IoT(Internet of Things) infosec characteristics,an IoT infosec technical system based on hierarchical domain,in-depth defense,and implementation level protection is proposed.Through the basic IoT components of perception layer,network layer and application layer and by implementing horizontal and vertical in-depth defense respectively from computing nodes,network communication and regional boundaries,the level protection of IoT information systems is achieved.