Quantum Cyber N.V. operates as a technology company focused on cybersecurity and quantum computing solutions. The company pursues acquisitions and partnerships in areas including post-quantum cryptography, zero-trust architecture, and national security technologies. It also develops platforms that integrate artificial intelligence (AI) and quantum computing technologies for autonomous control systems used in unmanned aerial, ground, and underwater vehicles, including drones, self-driving vehicles, and robotic fleets. Quantum Cyber N.V. was formerly known as Mainz Biomed N.V. and changed its name to Quantum Cyber N.V. in April 2026. The company is headquartered in Mainz, Germany.