Opinions expressed by Entrepreneur contributors are their own. It seems like every day we hear of a computer security breach in the news: A hacker who has stolen records from one company or another; ...

Need a dedicated firewall appliance? OPNsense is a free, open-source solution, ready to protect your network from intrusion. The protection of your network is one of the most important jobs in the ...

COMMENTARY--Anti-virus software won't protect you from the latest type of worm affecting Windows systems: you need a personal firewall. Here's why there's never been a better time to take this extra ...

I have one question regarding routers. Mine's a Linksys EtherFast Cable/DSL Router BEFSR41, and it offers ZoneAlarm as a built-in firewall option, but needs some moola to download and get that going. ...

The default Windows Firewall is good. You do not have to configure and mess up with it, even initially. Just turn it on, and it will take care of your software, computer ports and surroundings (home, ...