Free
PC Tools Firewall Plus
Protect your PC from intruders and malicious network traffic
Your download will start automatically. If it doesn't, restart it.
Free
Protect your PC from intruders and malicious network traffic
Free
A Free Security program for Windows
Free
Comodo Internet Security: Multi-layered Windows security protection
Free
Superb free firewall to protect your computer
Free
User-friendly PC firewall and personal desktop security solution
Free
A Free Security program for Windows
Cloud-hosted DNS service
Detect malware and malicious activity
Simple Level of Protection
Comprehensive Protection with eScan Internet Security Suite
Superb free firewall to protect your computer
Deploy firewall rules and protect your PC from spyware
A Free Security program for Windows
Anti DDoS Guardian prevents DDoS, brute force, bandwidth and other attacks.
A demo app for Windows, by casvpn.
Simple Vulnerability Manager: Comprehensive Vulnerability Analysis Tool