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Kai Christian Bader

Kai Christian Bader

Analog and Digital, Notes and Thoughts

Tag: fingerprint

Posted on September 24, 2016

Thermal Imaging of Fingerprints — How to get your PIN from a Number Pad

A few days ago I was able to get my fingers on, and under, an infrared camera. I had already heard before that the thermal signature of fingerprints is visible for quite some time — but what surprised me was that we were still able to see them for over a minute…

number-pad

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