Research on Collaborative Defense Model of Power Grid Security

Aiming at the deployment structure and existing security protection problems of the three defense lines of information security for state grid corporation of China, a unified collaborative defense model has been designed based on the IETF strategy framework. The model functional components have been constructed from two aspects of threat perception and threat prevention, and the framework hierarchy has been designed from the perception layer, communication layer, decision layer and action layer. And the deployment scheme of the unified coordination defense model has been given. The prototype software has realized the timely response and disposal of alarm events through strategic linkage with the safety equipment of the three defense lines of state grid corporation of China.