Comment Re:Fools Device (Score 1) 102
I think a review of the meaning of "attack surface" is due here. The idea here is to keep the bad guys out. If you can't physically secure your infrastructure (including some level of trust in your employees) you are guaranteed trouble. For that reason most networks are guaranteed trouble, but that aside a proper firewall does reduce the attack surface on the WAN by limiting traffic to what you want exiting and entering your network. Does a security guard also make a bank less secure because it increases the "robbery" surface?