What's like a condom for the internet...

An Apple Computer. You could have cought bird-flu and your Dell desktop may well be spewing porno pop ups at this very minute, while some guy in Russia is reading your tax returns from St.Petersburg but my Mac G5 is safer than a...Than a what? What is a cheesy colloquialism I could use here...Everything I come up with is totally racist sexist or insults a major religion..,.You know 'Like safer than a stick of deodorant in New Deli'...yeah not so much. I got nuthin. Night!