Intelligence activities, which emerged with the reflexes of states to protect themselves, have been one of the research areas of the academy. It is seen that intelligence has transformed and differentiated over time. Intelligence Studies in International Relations and Security Disciplines need to be analysed with new and up-to-date evaluations beyond the classical approaches. The book titled Security Intelligence Researches has been presented to researchers who are interested in the field in order to contribute to the studies carried out in the fields of Security and International Relations in Türkiye.