QinetiQ's Free Space Optical Communications system provides high-speed, secure communication in satellite-denied environments, utilizing laser-based technology to enable multi-gigabit per second data transfer beyond line-of-sight. It combines with real-time Light Detection and Ranging capabilities for Intelligence, Surveillance, and Reconnaissance, offering low probability of interception and detection. The system supports modes such as 3D imaging and vibrometry, and is part of QinetiQ's broader cybersecurity initiatives, including secure satellite communications and Optical Ground Stations for enhanced data transfer resilience in contested environments.