Wireless sensor networks are different from traditional networks, so traditional intrusion detection cannot be applied efficiently to them. According to the characteristics of wirelss sensor networks, the paper presents a intrusion detection based on statistic anomaly in wireless sensor networks. This intrusion detection establishs models for some system characteristics in normal state of the sensor nodes, and detects the intrusion through the deviation degree of observed values to normal model. Theory and simulation results indicate that the proposed intrusion detection can detect intrusion e...
