Microsoft reports that nearly half of computer infections caused by the user

According to foreign media reports, the first half of 2011, Microsoft released security intelligence report, only 5.6 percent of malware infections due to security vulnerabilities caused by 45% due to user self-inflicted.

According to the report, the global computer infections per 1,000 units 9.8 units. Malicious software to use USB "auto run" function accounted for 26% of the infected, the file transmission accounted for 4.4%. Office document password attacks and infections accounted for 1.7% and 0.3%.

British decline in the number of infected computers. From the third quarter of 2010 units infected with 7.4 per thousand audience dropped to the second quarter of this year's infected with 5.2 units per thousand units. Which adware infections accounted for 49.1% of the malicious Trojan horse software infections accounted for 31.9%, up 5%. Another 27.9% of infections due to "potentially unwanted software."

Trojan malware with the top ten are: Win32/FakeRean sixth, Alureon tenth. ZeuS was included in 2010 the top ten malware, Conficker was replaced in 2011.

Microsoft Security Intelligence Report uses data from the Microsoft Malicious Software Removal Tool 100 countries, more than 600 million systems.