Mechatronics is the engineering of systems that combine mechanics, electronics, and software into one working unit. It is common in robots, industrial controllers, drones, vehicles, and spacecraft hardware, where sensors, actuators, embedded code, and physical parts must work together with tight timing and reliability.
In cyber security, mechatronics matters because a compromise in one layer can affect the whole physical system. An attacker may tamper with firmware, spoof sensor data, alter control logic, or abuse software update paths to change how a machine behaves. Defenders protect mechatronic systems with secure boot, signed updates, access control, segmentation, and careful configuration management. They also test how the system behaves under fault and attack conditions, because safety depends on both digital trust and mechanical performance.