This workshop is organized by the Secretariat of the Inter-American Committee against Terrorism (CICTE) and the Consejo de Controle de Atividades Financeiras (COAF) of Brazil. The event will address the challenges posed by the financing of the proliferation of weapons of mass destruction and the implementation of the United Nations sanctions regimes. It is aimed at public sector officials and representatives of the private sector in charge of implementing risk prevention systems derived from this threat.