This article explores the historical use of water in conflicts, highlighting its strategic importance in weakening opposing forces and destabilizing regions. In modern warfare, water weaponization has evolved, with modern tactics involving contamination, cyberattacks, and the denial of access to vital resources. The article also examines emerging trends, including the increasing vulnerability of water systems due to climate change and technological advancements. It highlights the role of disruptive technologies such as AI, blockchain, and autonomous systems in preventing water weaponization by improving water management, detection, and security. As water scarcity becomes a more pressing issue globally, the ability to exploit or safeguard this resource will play a key role in shaping future conflicts. This article provides an overview of the complexities surrounding water as a tool of warfare and the potential for technological solutions to address the growing risks associated with its weaponization.