Tamperproof, yet playing Tetris.

Perry E. Metzger perry at piermont.com
Fri Jan 5 00:23:20 EST 2007

Handheld "Chip & Pin" terminals for reading credit cards in the UK are
required to be tamperproof to avoid the possibility of people
suborning them. Here is a report from a group that has not merely
tampered with such a terminal, but has (as a demo) converted it into a
tetris game to demonstrate that they can make it do whatever they



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