This guidance aims to: a) outline key principles for applying a risk-based approach to Anti-Money Laundering/Countering the Financing of Terrorism (AML/CFT) in the securities sector; b) assist countries, competent authorities, securities providers, and intermediaries in designing and implementing AML/CFT measures by offering general guidelines and current practice examples; c) support effective implementation and supervision of national AML/CFT measures by emphasizing risk assessment and mitigation strategies; and d) promote a common understanding of the risk-based approach to AML/CFT within the securities sector. The target audience includes countries, competent authorities, AML/CFT supervisors, Financial Intelligence Units (FIUs), and practitioners in the securities sector, such as securities providers, intermediaries, and external examiners for AML/CFT purposes.