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Card PIN Codes Revealed by Finger Heat Signature

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A smartphone equipped with an infrared camera may become the pickpockets’ favorite tool, as the kit can be used to detect the PIN code entered on PoS system keyboards after the victim completes the transaction in a store.Objects emit light based on the temperature they produce, and this can be caught by infrared cameras. Since during the interaction between two objects heat is exchanged, the PIN key presses can be revealed by the heat signature left behind by the finger.Amazing as this m... (read more)
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