The Best Free Firewall Software of 2015: Stop malware before it gets you

Keeping viruses off your PC doesn't have to cost a penny

The Best Free Firewall Software of 2015: Stop malware before it gets you
All recent versions of Windows come with a built-in firewall and, whilst it's perfectly okay to leave your PC with this thin layer of protection, before long you will want something that covers a little more than just the basics.
Thankfully an industry has grown out of providing this type of software and the amount of competition means that there are plenty of programs to choose from.
And it doesn't have to cost a small fortune to shore up your system's defences either. We've picked out five of the very best free firewalls to deliver protection at no cost whatsoever.

ZoneAlarm Free Firewall

Those of you looking for a firewall, antivirus software and identity protection all in one easy-to-use program will immediately be impressed by the ZoneAlarm Free security suite.
Its centrepiece is a two-way firewall that makes your PC invisible to malicious hackers whilst at the same time preventing spyware from sending any data online that it may have pilfered from your Windows PC.
Another strand to the firewall is that it monitors all programs on your PC for suspicious or out-of-the-ordinary behaviour and alerts you to anything untoward whilst preventing new attacks that are designed to get around traditional anti-virus programs.
ZoneAlarm Free Firewall
It includes an optional browser toolbar complete with a built-in site checker, Facebook privacy scanner, private browsing settings and a lot more. In addition the built-in identity protection lets you monitor credit accounts and sends you an alert should any anomalies be spotted. There's even the aforementioned antivirus service, which only has to be downloaded if you need it. For a free package it's hard to beat.

Comodo Firewall

Comodo Firewall takes a slightly different approach to ZoneAlarm in that it genuinely feels like Comodo is attempting to take over your computer - in a good way of course - and it's surprising just how many features it has for a free program.
A small box runs in the top corner of the screen that keeps a constant watch on the traffic running to and from your system and the program offers five main icons that allow you to scan, update, run a virtual desktop, quarantine threats or speak to live support for even more help.
Comodo's extensive feature set
The Firewall settings are extensive and let you to permit and block applications that want to connect to the internet, manage your PC's visibility to other PCs, allow or block internet connections and block all network activity.
The only drawback about Comodo is the constant pop-ups informing you about what might seem every file on your PC will get annoying as most of the time they're simply double then triple checking every installation. Better to be safe than sorry though.

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