Nifty keypad attack

What do you do if you want to steal someone’s door code, bank card PIN, safe combination, etc., when you can’t watch them enter it, and checking fingerprints afterwards is too inconvenient? Just take a thermal image after they’ve left.

3 responses to “Nifty keypad attack”

  1. Reduces 24 possibilities to 1! (Well, more likely to 2 or 3, given that you may not get the exact right sequence on the first try, but should be close).

    Obviously assuming a four-digit code without repeated digits. :)