Sure, there have been plenty of so-called white hats who have taken
But there will be others--the black hats--with less-helpful intentions. Then the script kiddies will be coming, cracking at everything. I expect a lot of news of this nature after the consumer launch, sometime after January. Lovely timing, right as MacWorld gets underway with possible huge iPhone news. Steve Jobs should have some good Microsoft punch lines if he wants.
See story: Hackers Salivating for Vista.