I just received my RC522 RFID reader and made this simple Arduino access control system that uses the reader, a buzzer for the alarm and a relay shield for the security system. The relay can be used ...

[Shawn] recently overhauled his access control by fitting the doors with some RFID readers. Though the building already had electronic switches in place, unlocking the doors required mashing an aging ...

Despite demonstrations to show it's possible, documented cases of RFID credit card fraud are unknown. And as security professionals know, there is a huge gulf between potential crime and actual crime.