Customs Trade Partnership Against Terrorism (CTPAT) is a voluntary program that provides benefits for companies certified under the program. CTPAT is a layer in CBP’s cargo enforcement strategy. It is intended to strengthen supply chains and improve U.S. border security.The CTPAT security training courses in this series are broken down into short lessons to allow a better understanding of the subject matter. Each lesson is followed up by a review to further strengthen the understanding of the subject matter. A final exam is also required after the entire course to earn the Certificate of Completion.