To improve the ability of security defense in supervisor control and data acquisition (SCADA) for oil and gas field, a new security model for oil and gas SCADA based on factor neural network was presented. Firstly, definition of factor and factor Space were given. Then, formal description of knowledge factor expression, analysis factor neuron and analog factor neuron were described. Finally, experimental results indicated that the proposed model can effectively improve recognition rate of

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... ent attacks, which verify the effectiveness of the model and the algorithm, which lays the foundation for the research of the simulation method