Advances in Intrusion Detection System for WLAN

Abstract

A wireless network is not as secure as compare the wired network because the data is transferred on air so any intruder can use hacking techniques to access that data. Indeed it is difficult to protect the data and pro- vide the user a secure information system for lifetime. An intrusions detection system aim to detect the dif- ferent attacks against network and system. An intrusion detection system should be capable for detecting the misuse of the network whether it will be by the authenticated user or by an attacker. Cross layer based tech- nique help to make decision based on two layer physical layer where we compute RSS value and on MAC layer where one compute RTS-CTS time taken. This will reduce the positive false rate. They detect attempts and active misuse either by legitimate users of the information systems or by external. The paper has high- lighted the advances in intrusion detection in wireless local area network.