Abstract: Intrusion detection is the one of the major problem in network security, as the use of computer system and network increases, securing data is one of the important in order to achieve secure data transmission without hacking. Various numbers of methods and intrusion detection systems have been proposed to detect intruder and anomaly detection, but most of the methods and system tries to detect the rates of the attackers and positive rates in different types of attacks. In this paper a study of various intrusion methods have been analysed and their comparison is also shown.

Keywords: IDS, Attacker, WSN, Security.