信息时代的到来,使得计算机网络得到了迅速的发展和普及应用,给我们的日常生活和工作带来了极大的便利。但是计算机网络是一把双刃剑,在给我们带来便利的同时,由于网络系统设计和程序等原因,不可避免的会存在一些漏洞或者受到黑客、病毒的攻击,使得用户的数据和信息安全受到威胁。为了有效防止网络不法入侵,维护计算机网络安全,必须加强网络安全体系建设,优化现有网络管理技术。 The advent of the information age has led to the rapid development and popularization and application of computer networks, bringing great convenience to our daily life and work. However, the computer network is a double-edged sword, to bring us convenience at the same time, due to network system design and procedures and other reasons, there will inevitably be some loopholes or hackers, viruses, making the user’s data and information security being threatened. In order to effectively prevent illegal network invasion, and to maintain computer network security, we must strengthen the network security system and optimize the existing network management technologies.