随着网络应用的发展,企业面临的安全威胁不仅仅来自于网络层,更多的是应用层的威胁(如病毒、垃圾邮件、不良Web内容等)。网络安全的需求也在发生变化,用户需要能够防御混合型威胁的安全设备。本文结合国内某能源企业的案例,来介绍U T M设备在网络安全保护中的作用和特点。用户? With the development of network applications, the security threats enterprises face come not only from the network layer but also from the application layer (such as viruses, spam, bad Web content, etc.). The need for cybersecurity is also changing, and users need security gear that can defend against mixed threats. In this paper, a case of a domestic energy company to introduce U T M equipment in the network security and its role in the characteristics. user?