Linux... you kidding? linux is vulnerable too.
Win7 + Comodo = better than linux. (winXP + Comodo = better than Win7 + Comodo)

PS: 1000 drk on a VPS .... double facepalm.
Linux is OK.
What is Comodo ?
Win7 ? Oh It's ok as log as you do not run explorer and do not open website.
Linux without any security is ok? it's not ok

if the most part of the hackers are trying to hack windows is because most peoples are using windows.
CIS (comodo internet security) include a firewall, antivirus, HIPS, ect, ect, personally i turn off the antivirus because i'm a malware's student, but firewall and HIPS is just amazing.