therning.org/ magnus » atm http://therning.org/magnus Incoherent mumblings Thu, 12 Jan 2012 13:40:30 +0000 en hourly 1 http://wordpress.org/?v=3.3 On ATM hack… http://therning.org/magnus/archives/202 http://therning.org/magnus/archives/202#comments Mon, 02 Oct 2006 15:14:33 +0000 Magnus http://therning.org/magnus/archives/202 Everyone was talking about tricking an ATM into believing $20 bills were $5 bills. There’s even a clip from CNN on YouTube. But why isn’t anyone pointing out what a bad idea it is to make maintenance functionality fully available via the same UI that customers use?

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