Comodo Internet Security provides comprehensive protection against viruses, spyware, hackers, root-kits, Trojans, and zero-day attacks for Windows based computers. The software features full Antivirus, a powerful network Firewall, Anti-Spyware, Host Intrusion Prevention, Auto-Sandbox and Behavior Analysis of unknown files. Join the more than 10 million PC users worldwide using this free, easy-to-install and configure suite.