After removing the statistical analysis of spam and malware, Kaspersky Security Bulletin through 2011 also revealed the potential link spreading malicious link in 2011.
Entertainment video sites like YouTube have the highest risk in spreading malicious links. Kaspersky Lab’s annual report on the evolution of IT threats and spam found that the links found in many questionable sites with open access.
The report also underlines the continued occurrence of spam through social networking and search engine optimization dark. As a result, search engines become the second highest source of risk that direct users to infected sites.
Sometimes the user clicks the malicious link directly from major search engines like Google and Yandex. In third place, with only one percent difference is social networking. Sites like Facebook and Vkontakte are widely used carrier virus to spread malicious content.
The growth of Web-Based Attacks Decline
The number of browser-based attacks in 2011 increased from 580,371,937 to 946,393,693 cases. The number of web-based attacks in 2011 rose 1.63 times of the total attacks in 2010. Growth is seen to decrease the number of attacks compared to the number of attacks in the last three years.
In 2010, the number of infections recorded much bigger that is, eight times higher than in 2009. The low growth of web-based infection because in 2011 the virus spreading infections using a new mass in the attacking computer.
Exploit pack is still the main weapon of infection based browser, which allows spreading the virus to make the distribution by way of a drive-by without the victim is aware of the attack. Kaspersky Lab experts expect growth in the number of attacks will continue to decline before becoming stable.
Web-Based Threats Biggest still in the United States and Russia
Only 20 states or 86.4% of the overall hosting malicious is detected by Kaspersky Lab. Two of the biggest state is the same as the previous year, the United States (25.4%) and Russia (14.6%).
But keep in mind that the percentage of Kaspersky Lab notes no longer active development hosting services dangerous in these countries thanks to the efforts of law enforcement in shutting down botnets. However, although the percentage of malicious hosting services in these countries declined, the number is still high.
Around the world, the risk of online rose 2 percent in 2011 to 32.3%. Furthermore, the inclusion of the countries of Western Europe and Japan into the intermediate risk group (countries where 21-40% of Internet users are vulnerable to attack) is a troubling because Internet users being targeted by cyber crime attacks professionals.