网络安全是互联网发展过程中面临的一个巨大的潜在的问题,提高网络安全技术水平,改善网络的安全现状,成为网络安全工作的当务之急。本文就网络安全的定义、网络安全产生原因和常见的网络攻击手法、防范技术作介绍,帮助用户从不同角度了解网络安全情况。 Network security is a huge potential problem in the development of the Internet. Improving network security technology and improving the security status of the network have become urgent tasks for network security. In this paper, the definition of network security, the causes of network security and common network attacks, prevent technology as an introduction to help users understand the network security situation from different angles.