I'm suprised no one posted this yet...if it's a repost my bad. Anyhow. It's common knowledge now that you can trick ATM machines into giving you more money when you make a withdrawl. The dude in this Youtube video used an untraceable pre-paid debit card and a master code to come up. Everyone who used the machine got 20 bucks for every 5 dollars requested. tripped out.
Video here:
http://www.aviransplace.com/2006/09/21/googling-for-atm-master-passwords/
More links
http://cryptome.org/atm/atm-passwords.htm
http://www.passivemode.net/updates/2006/9/22/atm-master-passwords-list.html
http://www.eweek.com/article2/0,1895,2018674,00.asp
Video here:
http://www.aviransplace.com/2006/09/21/googling-for-atm-master-passwords/
More links
http://cryptome.org/atm/atm-passwords.htm
http://www.passivemode.net/updates/2006/9/22/atm-master-passwords-list.html
http://www.eweek.com/article2/0,1895,2018674,00.asp