To your point, all software has vulnerabilities, its just that Windows is more often the target (if not almost exclusively much of the time) because its a consi

To your point, all software has vulnerabilities, its just that Windows is more often the target (if not almost exclusively much of the time) because its a considerable market share. At CanSecWest, the MacBook was the first system hacked, and Vista was hacked on the last day of the conference (soure: http://news.cnet.com/8301-13579_3-9905095-37.html http://news.cnet.com/8301-13579_3-9905095-37.html ). Having a virus/worm targeting windows will have a higher number of infected machines than other OSs, even if another OS has a higher infection than the infection rate of windows, because windows outnumbers the others. Last time I heard, OS X has a 10% share... Disclaimer: I use XP at work, and OS X at home