In true hacker style, [Serge] created his own fingerprint reader from a replacement part. But you can jump start your finger usage by purchasing one of many inexpensive available readers.

Diagram showing the fingerprint reader’s operation. It was reported at the time that the plastic [Schäuble] fingerprint could fool the commercial scanners of the day, including those used by ...

After a sample is taken, access to a computer or other system is granted if the fingerprint matches the stored sample. Laptops increasingly have built-in readers. For more security, a PIN may be ...