Free antivirus software is better than the paid one

Microsoft Security Essentials, Microsoft's antivirus software, surpassed a host of other security applications from well-known companies such as Symantec, Kaspersky, Eset and AVG.

This is the test result of NSS Labs on 11 most popular antivirus software on the market.

Trend Micro's Titanium Maximum Security is 90% in attack prevention (up to 90%), then McAfee's Internet Security (85.2%) and F-Secure Internet Security 2010 (80.4%).

Microsoft's free antivirus software page.

Although Microsoft Security Essentials is still young, it can withstand 75% of dangerous attacks , outperforming other fee-based products like Panda Internet Security 2011 (73.1%), Norton Internet Security 2010 (72, 3%), Kaspersky Internet Security 2011 (71.3%) and AVG's Internet Security 9 (54.8%).

According to NSS Labs, most security software works less efficiently than last year.