A KNOWLEDGE EXPRESSION METHOD OF SCADA NETWORK ATTACK AND DEFENCE BASED ON FACTOR STATE SPACE

To solve the problem of knowledge expression in SCA DA network attack and defence system, a new knowledge expression method of SCADA network attack nd defence based on factor state space is presented. Combined with factor space definition an d the formal description of factor state space expr ssion and analyzing attack factors, skill and attack aim, analysis and expression method of network attack a nd defense factors is developed. On the basis of analy sis and expression of network attack and defense fa ctors, equivalence class partition formal description is p resented. For illustration, an attack simulation ex periment is utilized to show the feasibility of the proposed method in solving network attack and defence knowl edge expression. By introducing factor space canes, obje cts class can be represented. Empirical results sho w t at our proposed method can effectively improve accurac y of attack classification. Knowledge expression method based on factor state space can effectively solve complexity of knowledge expression in network attack and defence system and provides a new method for solving similar application.