2012 Popular Antivirus Software

What is the most popular antivirus software of 2012? Avast Free Antivirus takes the lead, followed by Microsoft’s Security Essentials, and ESET NOD32 Antivirus takes third place. It comes at no surprise that the top two popular antivirus software are free to users to download and use. Curious about what rank your antivirus fall into? Read the ZDNet’s article.