在当今这个信息化社会中,网络安全管理技术已经成为网络技术中人们公认的关键技术。尽管网络安全技术在不断发展和提高,但网络安全事故依然频繁发生,主要原因是安全管理的欠缺所致。本文主要从网络安全的定义着手,分析了目前威胁网络安全的一些主要因素,对网络管理的内容进行了研究,提出了以安全策略为核心的网络安全管理体系和实施原则。 In today’s information society, network security management technology has become a recognized key technology in network technology. Despite the continuous development and improvement of network security technology, network security incidents still occur frequently, mainly due to the lack of safety management. This article mainly analyzes the current threats to network security, analyzes the content of network management, and puts forward the network security management system and implementation principles with security policy as the core.