New Generation Power System Security Protection Technology Based on Dynamic Defense

With the development of power information systems and the evolution of attack means, the traditional security protection scheme is difficult to deal with the increasing network attacks. In order to deal with the increasingly severe security risks, this paper studies dynamic defense technologies such as mimic defense and moving target defense and their applications in power information systems, and proposes a power system security architecture based on dynamic defense. The architecture includes the mimic defense layer, the mimic network switching layer, the mimic service layer, application management layer and dynamic management module. Through the functions of dynamic adjudication, reconstruction, cleaning, and switching, the power system is endowed with dynamic defense capabilities, so that the system has endogenous security attributes. The dynamic protection technology is applied to the access program and computing area of the information management area, and the system can resist unknown attacks by using mimicry and mobile target defense.