This report delves into the intricate issue of the illegal trafficking of nuclear materials, a complex threat that undermines global stability and security. It examines the multifaceted dimensions of this illicit activity, including the motivations of actors involved in the trade, the routes exploited for transportation, and the methods used to conceal these materials. The research also explores the legal and regulatory frameworks designed to combat nuclear smuggling and evaluates their effectiveness. Furthermore, the report highlights the critical need for enhanced international cooperation, technological advancements, and proactive strategies to mitigate the risks associated with this evolving challenge.