Cyber Security has been a major automation topic ever since Ethernet networks began coming down to the plant floor. Most industrial cybersecurity discussions center on a combination of networking and software-oriented approaches to segment and protect critical production operations and systems.
Sometimes overlooked in these cybersecurity discussions is physical access to systems. User authentication is one aspect of secure system access through which authorization data can be used to determine if the employee has the proper skill set and is currently trained and certified to access the manufacturing system hardware and software.
Source Elatec RFID