We have always known Windows to be spyware prone. However, one thing that was considered to be without spyware is the Mac. Well, until F-Secure received a proof-of-concept sample of an adware program for Mac OS X.
Rated as Highly Critical by Secunia, this affects Max OS X systems. Mac OS X com.apple.
Microsoft has put together a comparison of the various editions of its new Operating System Windows Vista. The table compares the four major editions viz. Home Basic, Home Premium, Business and Ultimate.