In the previous Antivirus page, we covered what may be the best free antivirus program for your system. Although this is very important it does not give your control over your privacy and intrusions upon your data. Nowadays, every program you install in your system wants to access the internet. This can be crucial for program updates as in the case of security definitions and Windows programs. But in most other cases it is not. To have more control of what program wants to access your computer and what data it may want to send out of it, you need a firewall program. Windows has always come with a built-in one which you can customize, but it does not give you interactive control like some of the other programs that are specifically made for that purpose. In this page, we are going to cover two options: Windows Firewall and what we think is the other best free choice.