如今,计算机通信网络已渗透人们生活的方方面面,给人们生活、工作带来了方便,也带来了无限乐趣。但当人们享受计算机通信网络带来的多种服务时,计算机通信网络的安全问题也悄无声息地出现。计算机通信网络若出现安全问题,可能导致整个通信网络系统处于瘫痪状态,给用户、社会造成巨大损失,因此,加强计算机通信网络安全防护措施具有重要意义。本文系统阐述目前我国计算机通信网络安全问题,探讨有效的安全防护措施。 Nowadays, the computer communication network has permeated all aspects of people’s life, bringing convenience and pleasure to people’s life and work. But when people enjoy a variety of services brought by the computer communication network, the security of the computer communication network also quietly appears. If there is a security problem in the computer communication network, the entire communication network system may become paralyzed, causing huge losses to the users and the society. Therefore, it is of great significance to strengthen the computer network security measures. This article systematically expounds the current computer network security issues in China, to explore effective security measures.