Roundup: The best free firewall 2016

The best free firewall 2016Protect your connection from new threatsIn the 1990s, Microsoft had a problem: Windows seemed to suffer from endless security problems that hackers and other online villains were quick to exploit. One way to fight back was to install a firewall - an app that blocked malicious and/or unwanted network traffic and that could ensure that dodgy software couldn't sneak onto your PC.Microsoft began building its own firewall into Windows and that's still the case today, but at