Well, seems to be if you order an iPhone 4 you might get access to private information of other AT&T customers. The exposed information includes private addresses, phone calls, and bills.

More information at http://gizmodo.com/5564262/apple-iphone-4-order-security-breach-exposes-private-information

 -- Manuel Humberto Santander Peláez | http://twitter.com/manuelsantander | http://manuel.santander.name | msantand at isc dot sans dot org