1网络安全基本态势2017年4月,互联网网络安全状况整体评价为良。我国基础网络运行总体平稳,互联网骨干网各项监测指标正常,未发生较大以上网络安全事件。在我国互联网网络安全环境方面,除境内木马或僵尸程序控制服务器IP地址数量、境内感染飞客蠕虫的IP地址数量和境内被篡改网站的总数较上月有所增长外,其他各类网络安 1 Basic Situation of Network Security In April 2017, the overall evaluation of Internet network security was good. The operation of basic network in our country is generally stable. The monitoring indicators of the Internet backbone network are normal, and no large-scale network security incidents have occurred. In terms of the Internet cybersecurity environment in our country, in addition to the number of IP addresses of domestic trojans or botnet control servers, the number of IP addresses infected with Flying Worms and the total number of domestic tampered websites increased from the previous month, all kinds of network security