The first iPhone 4 pre-order day was a total disaster, with collapsed AT&T and Apple servers unable to take any orders, multiple incorrect purchases, reservations that didn't reserve anything, physical stores closing or having to take order with pen and paper, and, the worst of all, people entering into AT&T's account servers and seeing different customers' information on screen.

By itself, that's a major security problem. But it gets worse. According to emails sent by readers, the ordering system is mistakenly showing and using the wrong customers' personal information. Not only that, but the problem is affecting other systems: Reader Christian du Lac saw his credit card information changed to another person in his AT&T Wi-Fi Premium account...