National Journal of System and Information Technology

1. J. Visumathi

2. Dr. K. L. Shunmuganathan

Received
04-Jun-2026
Accepted
-
Published
04-Jun-2026
Abstract
Intrusion detection system is one of the widely used tools for defense in Computer Networks. In literature, plenty of research is published on Intrusion Detection Systems. In this paper we present a survey of Intrusion Detection Systems. We survey the existing types, techniques and approaches of Intrusion Detection Systems in the literature. Finally we propose a new architecture for Intrusion Detection System and outline the present research challenges and issues in Intrusion Detection System. Keywords: Intrusion Detection, Neural Network, Fuzzy logic, Artificial Intelligence, Honeypot, Data mining
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