Components of OT include industrial control systems, which include supervisory control and data acquisition as well as distributed control systems. Like advanced infrastructure, OT requires advanced systems to drive Industry 4.0. System designers are increasing the amount of OT components that are wirelessly connected to the internet. Advanced 5G wireless technology improves both the agility and quality of operational systems by decreasing the lag time between signal and response and increasing connectivity between devices. The influx of data from connected OT components allows engineers to optimize the system's design, processes and operations.
OT security is a challenge when converging with IT as well. IT networks have prioritized and addressed security in the past. While Industry 4.0 solutions are increasingly complex, security in connected devices in OT systems is a new challenge. Inferior security parameters could render them susceptible to web-based malware attacks, or potentially damage the products being manufactured. Methods to increase security in OT include prescribing when to roll out the next security update, designing new hardware with embedded security features and implementing standards and robust security policies. A principal challenge with OT security is ensuring the engineers and technicians are able to address critical issues if a security measure is initiated. An example of this risk is a password-lockout when an operator is trying to manually control the system.