Warum es Viren so schwer haben Mac OS X zu infizieren, erklärt die Technewsworld: Why Viruses Have Trouble Penetrating the Mac.
It may or may not surprise you, but there are no OS X viruses (or worms or trojans) partly due to the implementation of OS X and its almost-inaccessible Root
(Hervorhebung von mir)
FAQ’s zum Thema auch im X-Lab.
(via: IT&W)