2011年3月网络安全监测数据分析

Network Security Monitoring Data Analysis Report of 2011 March

根据CNCERT监测结果,2011年3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2月大幅增长,网页篡改数量下降明显。恶意代码活动情况方面,中国大陆地区约有153.8万个IP地址对应的主机被木马程序控制,较2月增长134;中国大陆地区约有25.7万个IP地址对应的主机被僵尸程序控制,较2月增长343;网站安全方面,3月中国大陆地区被篡改网站数量为3280个,较2月下降32,其中被篡改政府网站数量为318个,较2月的288个增长10%。

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 increased a lot during March 2011 in Chinese mainland discovered via sample monitoring,however,the number of defaced website has decreased a lot.The main indicators of the nationwide internet security situation show as below：In terms of malicious codes,we discovered about 1,538,000 IPs in Chinese mainland been controlled by Trojan,increased by 134%,compared with last month;and about 257,000 IPs in Chinese mainland been controlled by Botnet,increased by 343%;In terms of website security,the number of defaced websites has decreased by 32 % with the number 3,280,compared with last month.Among the 3,280 defaced websites,about 318 websites ended with gov.cn,increased by 10%（note：the number of last month is 288）,that is to say above 9.7% of the China government websites have been defaced with the ratio of last month 6.01%.