Understanding what firewalls do (and don't do) takes just a few minutes. Learn what a firewall does to keep intruders out in < 5 minutes.

Having a properly configured firewall on your computer is an important part of staying safe online, but having one on your ...

What Is a Host Based Firewall and Is it Secure Enough? Your email has been sent Most devices come with a host based firewall, but is it enough? Learn about this vital layer of security and how it ...

As internet threats have evolved, Windows has consistently provided tools to help users stay safe online. One of the earliest ...

We list the best cloud firewalls, to make it simple and easy to set up a cloud-based defensive perimeter around your IT network. Also known as Web Application Firewalls (WAF), these are becoming ...

We list the best Linux firewalls, to make it simple and easy to set up and manage a more advanced firewall for your Linux PC or IT network. A dedicated firewall is the first line of defense when ...

Important security updates for Sophos firewalls have been released. They install automatically with the default settings.