Shield Firewall - The Shield Firewall 5.0 is a personal firewall that keeps your personal data private and safe from Internet hackers and data thieves. Free technical support.
System Firewall - MalwareGuard System Firewall is a tool to stop Hackers, Trojans, Spywares, Viruses, DoS attacks & data thieves & protects your PC from Internet-borne threats. Put a secure barrier between your hard drive & hackers.
SterJo Portable Firewall PRO - reliable protection of your data on the go - Information security is an area where no means are excessive and inappropriate. As viruses and other types of malware become stealthier, harder to detect and uproot from your system, preventing their access in the first place is a task of utmost importance for anybody who is serious about the security