随着互联网的高速发展,计算机网络在人们生活中地位越来越高,为人们带来了很多的便利,但是,其中存在的安全隐患也时刻困扰着网络用户,对网络用户的隐私构成了威胁。为了保障计算机网络用户的信息安全,我们必须做好计算机网络的安全维护工作,加强计算机网络泄密隐患的防范措施。本文主要针对计算机网络在应用中存在的安全隐患进行了分析,提出了计算机网络应用中泄密隐患的防范措施,希望能够加强防范意识,维护网络环境的安全。 With the rapid development of the Internet, computer networks have become more and more popular in people’s lives and brought a lot of conveniences to people. However, the hidden dangers in the computer network have always plagued network users, posing a threat to the privacy of network users . In order to protect the information security of computer network users, we must do a good job in the computer network security maintenance, and strengthen the prevention of hidden dangers in computer networks. This paper mainly analyzes the potential security risks in the application of computer network and puts forward some countermeasures to prevent the potential network leakage in the application of computer network. It is hoped that the security awareness can be strengthened and the security of network environment can be maintained.