随着计算机科学技术的不断向前发展,计算机网络安全问题越来越值得人们重视。本文首先讨论了当前形势下的计算机网络常见的安全问题,其次从网络安全的技术和管理层面论述了如何应对这些问题。希望本文可以在一定程度上提高人们的网络安全意识,为常见的一些网络安全问题提供一些应对思路。 With the continuous development of computer science and technology, computer network security issues deserve more and more attention. This paper first discusses the common security problems of computer networks in the current situation, and then discusses how to deal with these problems from the technical and management aspects of network security. I hope this article can raise people’s awareness of network security to a certain extent, and provide some coping strategies for some common network security problems.