2011年7月网络安全监测数据分析

根据CNCERT监测结果，2011年7月，中国境内僵尸网络受控主机数量和木马受控主机数量较6月稍有下降，网页篡改数量下降。恶意代码活动情况方面，中国大陆地区约有27万个IP地址对应的主机被木马或僵尸程序控制，较6月下降30％；网站安全方面，7月中国大陆地区被篡改网站数量为2613个，较6月下降17％，其中被篡改政府网站数量为182个，较6月的333个减少45％。

Network Security Monitoring Data Analysis Report of 2011 July

According to CNCERT, the number of IP address including dynamic IP of computers embedded with Bot code and the number of IP address embedded with Trojan have decreased a little during July 2011 in Chinese mainland discovered via sample monitoring, however, the number of defaced website has decreased. The main indicators of the nationwide internet security situation show as below： In terms of malicious codes, we discovered about 27,000 IPs in Chinese mainland been controlled by Trojan and Botnet, decreased by 30%,compared with last month; In terms of website security, the number of defaced websites has decreased by 17% with the number 2,613 compared with last month. Among the 2,613 defaced websites, about 182 websites ended with gov.cn, decreased by 45%（note： the number of last month is 333）.