[jsjohnst]

Stefan is not just some random guy on the Internet. I can assure you the relevant folks at Apple know him and most likely he knows them.

[oldmanjay]

oh, well as long as you can assure us of that orthogonal point, I guess it's all good mr anonymous internet person

[jsjohnst]

It's easy to prove. Just go look at the number of iOS and OSX security fixes attributed to him. Or you can go do a simple search on any reputable site posting security info and you'll see him all over it.