From coverage of the social engineering contest at DefCon:
… “Out of all the companies called today, not one company shut us down,” said Offensive Security operations manager Christopher Hadnagy, part of the social-engineer.org team behind the competition that kicked off late last week.
The team kept hackers within the boundaries of the law, but had them coax out enough information to show that workers would have unintentionally made it easier to attack networks.
Workers that unknowingly ended up on calls with hackers ranged from a chief technical officer to IT support personnel and sales people.
Read more in The Age.
Elinor Mills of cnet also covers the contest.