Comodo Internet Security offers 360° protection against internal and external threats by combining a powerful Antivirus protection, an enterprise class packet filtering firewall, and an advanced host intrusion prevention system called Defense+. Internet Security combines the power of COMODO's award-winning Firewall and AntiVirus software to protect your PC from malicious software and Hackers.

Privatefirewall - Personal Firewall + multi-layer intrusion prevention for Windows Desktops and Servers. 

Privatefirewall multi-layered endpoint security software protects Windows desktops and servers from malware and unauthorized use. Personal firewall, packet inspection, URL filtering, process monitor, and application/system behavior modeling and anomaly detection components  stop hackers, spyware, viruses and other forms of malware before they can cause damage. 

ClamWin is a Free Antivirus program for Microsoft Windows 7/ Vista/ XP/ Me/ 2000/ 98 and Windows Server 2008/ 2003. It provides a graphical user interface to the Clam AntiVirus engine. It features a command line interface for scanning files, updating the virus definitions, and a daemon for faster scanning needed on high performance systems.

Jetico Personal Firewall protects your computer from unwanted hacker's attacks from outside as well as from malicious programs "living" secretly inside your computer's memory and hard drive. Three levels of protection are included: low-level network packets filtering, application-level network events filtering and filtering of user-level process activity. Jetico Personal Firewall checks every packet that comes in or out of your computer. 

Maximum Security, Maximum Speed! BitDefender Antivirus 2010 provides advanced proactive protection against viruses, spyware, phishing attacks and identity theft, without slowing down your PC. BitDefender®, a global provider of award-winning antivirus software and data security solutions, has launched BitDefender 2010 – its new line of security solutions providing state-of-the-art proactive protection from today’s most damaging viruses, spyware, hackers, spam, phishing attacks, and other common Internet security threats.

Maximum Security, Maximum Speed! BitDefender Internet Security 2010 keeps your Internet-connected family safe, without slowing down their PCs. It locks out viruses, hackers & spam, while providing parental control and firewall protection.

Maximum Security, Maximum Speed! BitDefender Total Security 2011 provides comprehensive proactive protection against all Internet security threats, along with system maintenance and backup, without slowing down your PCs. Combines Superior Proactive Protection from e-Threats with Backup and PC Tune-up for the Ultimate in Security... that won’t slow you down! BitDefender®, a global provider of award-winning antivirus software and data security solutions, has launched BitDefender2011 – its new line of security solutions providing state-of-the-art proactive protection from today’s most damaging viruses, spyware, hackers, spam, phishing attacks, and other common Internet security threats.