An airframe is the structural body of a drone. It is the frame, shell, or chassis that holds the motors, battery, flight controller, sensors, radios, and payload in the correct position and keeps the craft mechanically stable in flight.
In cyber security, the airframe matters because drones are cyber-physical systems: a weakness in the body can become a weakness in the system. Attackers may hide extra electronics, radios, or malicious payloads inside the frame, swap parts to evade inspection, or physically access wiring and storage mounted on the structure. Defenders inspect airframes for tampering, unusual cavities, broken seals, and mismatched parts, alongside firmware and telemetry checks. A thin or modified airframe can also affect sensor placement, signal shielding, and what an observer can reliably see, making it harder to judge the drone’s true capabilities at a glance.