The combination of 6G technology and drones represents a major achievement in enhancing the use of unmanned aerial vehicles (UAVs). This article investigates how 6G can revolutionize communication and security systems for drones in various sectors such as disaster management, surveillance, logistics, and infrastructure monitoring. 6Gpowered drones improve processing data in real-time, secure communication, and autonomous decision-making abilities by utilizing advanced technologies like terahertz communication, blockchain, AI-driven threat detection, and federated learning. The research also examines the urgent cybersecurity issues linked to drone networks, like denial-of-service attacks, unauthorized entry, and data breaches, by suggesting complex structures and cutting-edge machine-learning methods for dealing with threats. This research showcases the extensive capabilities of drone systems enabled by 6G, while also pointing out important constraints in scalability, energy efficiency, and standardization, offering a guide for further investigation. The results highlight the crucial impact of 6G on transforming UAV operations, and creating secure, robust, and flexible networks for civilian and military uses.