OSX 10.5.2 hacked in 2 minutes
competing OSes: Ubuntu 7.10, Vista Ultimate SP1 and OSX 10.5.2.
In the first day of the challenge no computer could be breached, as the organizers only allowed attacks over a network.
The second day of the hacking contest allowed attackers to visit Web pages or open messages in e-mail clients. Charlie Miller, who hacked the iPhone in 2007, breached the MacBook Air via a zero-day vulnerability ….
http://www.theinquirer.net/gb/inquirer/news/2008/03/28/mac-hacked-two-minutes-flat