Security advisories for open-source and Linux software accounted for 16 out of the 29 security advisories
They are not saying that Linux had more security problems than Windows, they are lumping Linux together with ALL open source software. There is a big difference.
Paul Thurrott Write for Windows & .NET Magazine Paul Thurrott is the news editor for Windows & .NET Magazine. He writes a weekly editorial for Windows & .NET Magazine UPDATE (http://www.win2000mag.net/email) and writes a daily Windows news and information newsletter called WinInfo Daily UPDATE (http://www.wininformant.com).
Did a quick google search on Thurott. He's got a dog in this fight, that's for sure.