Most of you are missing the point. They didn't do anything illicit. All they did is pointed out to Sony, that PSN is very vulnerable to anyone, if these, as you tend to call them, kids could do it, imagine what someone who really wanted to do damage could do. And that possible damage is what prompted Sony to go off-line, but please at least try to understand, that it is not the fault of these 'kids', they merely noticed the flaws, it is Sony that f****d up by ignoring the security...
This article seems like biased, there's almost nothing about PS4, it's just poems about Xbox One, really bad press.