Meghana Solanki, Vidya Dhamdhere
Intrusion detection is an essential and important technique in research field. We propose many intrusion detection methods and systems in the literature. In this paper, we give a structured overview of various aspects of intrusion detection. Due to which a researcher can become quickly familiar with every aspect of intrusion detection. We give attacks normally identified by intrusion detection systems. We differentiate existing intrusion detection methods and systems based on the underlying computational methods used. We briefly describe and compare a large number of intrusion detection methods, techniques and systems. In addition, we also discuss tools which are used by network defenders and datasets.