<A target="_blank" href="http://www.pcpro.co.uk/realworld/361375/do-we-really-need-a-firewall-on-our-desktops#ixzz10Hj4eQzo">Windows has included a built-in firewall for some time now, but if your PC</A> is inside a corporate network, inside the corporate firewall, do you really need another firewall on your desktop?