Hardware Backdoor in RFID Cards Threatens Security

RFID Cards: A Hidden Vulnerability

In a significant discovery, cybersecurity experts have found a hardware backdoor in a widely used model of MIFARE Classic RFID cards. These cards, often used for unlocking hotel rooms and office doors, were found with vulnerabilities allowing unauthorized access. The backdoor was identified in the FM11RF08S variant, released in 2020 by Shanghai Fudan Microelectronics, capable of bypassing security even with diversified keys.