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Recently, according to the Cncert sampling monitoring results and national information security vulnerability Sharing Platform (CNVD) published data, from July 25 to July 31, China's Internet network Security index overall evaluation as good. Among them, the number of hosts infected with network virus in the country is about 530,000, compared to last week's quarter-on-quarter reduction of 19%; no new network virus family found, the number of tampered government sites in the country is 35, compared with 57 last week, a sharp reduction of about 39%; new information security vulnerabilities 95, the chain significantly reduced 24%, of which 35 high-risk vulnerabilities, 2 Fewer than last week's number.

Below, IDC comments the network with everybody concerns in the period from July 25 to July 31, our country Internet network security condition:

I. Network virus activity

During the statistical period, the number of hosts infected with the network virus in the territory was about 530,000, down 19% from the quarter of last week. Among them, the territory by Trojans or zombies program control of about 64,000, the chain significantly reduced by 28%, the domestic infection of the Conficker worm host about 460,000, the chain down 17%.

(1) According to the China Anti-Network Virus Alliance (ANVA) organized the release of active network virus, the use of web-horse, software counterfeiting and bundled download of the network virus is a high proportion of viruses still more to exploit system vulnerabilities to attack the system. In this way, we come to understand the malicious virus TOP5 active on the network:

(Figure 1) July 25-July 31 malicious viruses active on the network TOP5

(2) in the network virus capture, Cncert obtains a large number of new network virus files through various channels, in which the number of new network virus names is 104, the new number is increased by 2 last week, the number of new network virus families is 0. Below, we look at Cncert detected the top five active horse site domain name, active put horse site IP.

(Figure 2) Active horse-TOP5 site domain name

(Figure 3) Active horse-TOP5 site IP

(3) In the network virus in the process of transmission, often need to use hackers register a large number of domain names. In this virus detection, ANVA focus on a number of malicious domain names for network virus transmission, and statistics of active malicious domain name of the top-level domain name and the main registered domain name agencies.

(Figure 4) Active malicious domain name of the top-level domain name and geographical distribution

(Figure 5) Active malicious domain names distributed by registered institutions

II. website Security

According to the Cncert monitoring data, during the statistical period, the number of sites tampered with was 527, with a sharp reduction of 32% in the previous week. The number of tampered sites in the territory by type distribution as shown in the following figure, the largest number is still. com and. com.cn Domain name Web site. gov.cn Domain name site has 35 (about 7% of the territory), the chain significantly reduced by about 39%.

(Fig. 6) The Quantity distribution map of the tampered websites in mainland China

Summary: Recently, China's Internet network Security index overall evaluation as good, no harm to the more serious network security incidents. However, users still need to pay special attention to the need to strengthen the system in time to repair the loopholes and reinforce the installation of security protection software. During the internet, do not easily open the network of unknown sources of pictures, music, video and other documents, do not download and install some unknown software, especially some so-called plug-in programs to prevent network virus infection.

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