Zonealarm provides a effective solution to secure your computer, zonealarm firewall available on free of cost and it has a pro version also, it provides protection from hackers and spyware and it compatible with windows like windows XP, windows Vista and Windows 7. It can proactively protects against inbound and outbound attacks while making you invisible to hackers.

 
Comodo firewall is a smart firewall solution that protect your computer from spyware and malware, you can download it free of cost and you can purchase it pro version. Comodo firewall comes with an anti-malware tool, you have to select it during installation process. It is available for windows platform including 32bit and 64bit architecture.

 
I dont know why but rising solution is one of my favourite in both antivirus and firewall solution, it has an ability to monitor inbound and outbound traffic, it provides Zero-Day Computer Security Protection with Rising Cloud Security Rising Cloud Security 3.0. it is a best tool for system vulnerability scanning, defence from arpspoofing and network data protection.

Online Armor Firewall 

Online armor firewall is a power tool that protects your computer from internal and external threat, it has a multiple functionality like it Offers DNS-spoofing and keylogger protection, Monitors a single host for suspicious activity and it provides a effective soltuion against keylogging and phishing attack.

F-Secure Internet Security

 

F-Secure Internet security provides a multiple solution for computer and network protection, Protects your computer against viruses, worms, rootkits and zero-day attacks, it does not use pop windows to warn you against a threat it just block the threat to being enter into your computer. It can protects you from spamming, identity theft and phishing attacks.

Beside each and everything do not forget to turn on your router built in firewall for maximum protection if you want to know more about wireless security than click here.