Abstract: Network intrusion detection technology is one of the key technologies in the information security of information society today. With the dawn of big data era, network intrusion detection technology is moving in the direction of multi-structure, multi-method and multi-application. In view of this trend, the paper summarizes the latest research situation of network intrusion detection technology, including basic concepts, system models, detection methods, and application fields, etc. It focuses on the research status and existing problems of the system model and detection algorithms, and puts forward developing trend. At the same time, it also introduces the new application of network intrusion detection technology in the background of big data.

Key words: network intrusion detection, intrusion detection system, intrusion detection algorithm, big data

摘要： 在当今信息化社会，网络入侵检测技术是信息安全保障领域的重点技术之一。随着大数据时代的到来，网络入侵检测技术正在向着多结构、多方法、多应用领域的方向发展。针对这个发展趋势，综述了网络入侵检测技术的最新研究情况，包括基本概念、系统模型、检测方法、应用领域等，其中重点分析了系统模型和检测算法的研究现状以及存在的问题，并提出发展趋势。同时，也介绍了大数据背景下网络入侵检测技术的新型应用领域。

关键词: 网络入侵检测, 入侵检测系统, 入侵检测算法, 大数据