Thursday 30 July 2009

Tempest Reloaded

Italian hackers found out that key presses on PS/2 keyboards can be sniffed out by measuring traces of the signals on the neutal line of the power supply of the computer they are connected to.
However, ATMs used where I live have a secure pinpad which also encrypts the PIN before it is sent to the bank for checking. I find it hard to believe that such a device leaks out the PIN so easily. A quick google query shows that there are such and such keyboards. Please note that the ones with PS/2 seem to lack VISA approval.

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