摘要： 入侵检测是近年来网络安全研究的热点之一，该文简述了入侵检测研究的背景和意义，介绍了入侵的定义和入侵检测的分类，对比分析了各种入侵检测方法和入侵检测系统的体系结构的优缺点，最后指出了今后入侵检测的研究方向。

关键词: 入侵检测, 网络安全, 计算机安全

Abstract: Intrusion detection is one of hot topics, this paper describes the background and purport of intrusion detection briefly，introduces the definition of intrusion and classification of intrusion detection, compares and analyzes various intrusion detection methods and architecture of intrusion detection systems. Finally，the research direction of intrusion detection is directed.

中图分类号: 

• TP393.08