6G is the forthcoming sixth generation of mobile network technology, expected to succeed 5G around 2030. It promises ultra-fast data speeds, extremely low latency, and advanced features like built-in environmental sensing and AI-driven network management. 6G aims to support immersive applications such as holographic communication, real-time digital twins, and advanced smart city infrastructure. Its enhanced connectivity will enable seamless integration of billions of devices, improving communication, automation, and efficiency in various sectors while addressing security and privacy challenges.