the value of being hacked.
I am great believer in the idea that experience is the best teacher, and a shocking experience is the most teaching of them all.
Hence I strongly approve of the behaviour and message recounted in these here posts about the hacking of a ATM machine in a public demonstration, and how the company responded.
The security guy from the ATM company blogs about his companies machine getting "jackpotted" in front of 5000 screaming black-hat conference attendees:
BGR on the matter:
The youtube video of the hacking: