One of the more dependable firewall products in the market comes from Webroot, which acts as a gatekeeper for the computer and monitors Internet traffic flowing in and out of the network. It also helps to hide the computer from online scanners, which is one way of preventing potential attacks. This firewall has a feature to prevent remote access from Trojans that can hijack the computer and used for malicious intents.

Constant threats from the Internet cannot be denied and the best way to protect any computer system is to implement security measures that combine hardware and software solutions. Firewalls can be implemented as a software, hardware or combination of both.