Abstract

In accordance with the increasing importance of intrusion detection systems (IDS), users justifiably demand the trustworthiness of the IDS. However, IDS themselves are prone to various attacks and it becomes the natural primary target of hostile attacks with the aim of disabling the detection feature and allowing an attacker to operate without being detected. This paper suggests that intrusion detection system (IDS) must be fault tolerant; otherwise, the intruder may first subvert the IDS then attack the target system at will. Making an IDS fault tolerant [2] is a challenging task. The aim of this research paper is to enhance the fault tolerance of IDS using AES and DES based heart beat events. Brute Force attack has been simulated and the effectiveness of encrypted heartbeat event based fault tolerance for Intrusion Detection System is evaluated.

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