随着互联网的快速发展,大部分企业都引进了计算机来管理企业的内部事务,这使得企业的管理变得更加高效、准确,但是这也引发了一些企业内部信息的安全问题。本文从企业网络的安全入手,系统的介绍了企业的网络安全常识及其面临的威胁,并分析、提出了一些相应的安全技术、防御措施。这样,企业的网络安全问题就能够有所改善,网络防御体系也能够成型。 With the rapid development of the Internet, most enterprises have introduced computers to manage the internal affairs of enterprises. This makes the management of enterprises more efficient and accurate. However, this also raises some internal information security issues. Starting from the security of enterprise network, this paper systematically introduces the common knowledge of network security and the threats it faces, and analyzes and puts forward some corresponding security technologies and defense measures. In this way, the enterprise network security problems can be improved, the network defense system can shape.