Īccording to attack targets, the cyber-attack against power systems can be classified into destroying the availability, integrity and confidentiality of information. As a novel attack mode for basic industrial facilities, the cyber-attack has become a threat to the safe and stable operation of power systems, whose attack and defence mechanism requires being further studied. Owing to the significant interest relevance and high transmissibility of power system, once attacked, it will engender a serious impact on power safety, industrial production and people's livelihood, which has captured significant attention. Compared to the relatively robust power primary system, the researches on the security protection of the power information system are on the initial stage, with plenty of security vulnerabilities undiscovered.

While promoting the real-time analysis, scientific decision and efficient allocation of power systems, the open communication networks and interface terminals also bring potential security risks. With the development of the cyber-physical power system (CPPS), and the application of advanced information technology such as perception, calculation, communication and control, the power system has gradually realised informatisation, networking and intelligentisation.

Moreover, a game-theory-based FDIA against the substation information network is simulated to reveal the interactions between attackers and defenders. This study comprehensively discusses the characteristics of FDIA including not only the goals, construction methods and consequences of FDIA from the perspective of attackers but also the protection and detection countermeasures from the perspective of defenders. A well-designed false data injection attack (FDIA) against state estimation can effectively bypass the traditional bad data detection methods and interfere with the decision of the control centre, thus causing the power system incidents. Meanwhile, the cyber-attack has become an important issue posing severe threats to the secure operation of power systems. With the development of synchronous measuring technology and communication technology, the units of measurement, calculation, execution and communication are deeply integrated into energy manage system, which can achieve panoramic state awareness through the fast and accurate state estimation algorithm. IET Generation, Transmission & Distribution.

IET Electrical Systems in Transportation.IET Cyber-Physical Systems: Theory & Applications.IET Collaborative Intelligent Manufacturing.CAAI Transactions on Intelligence Technology.

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