Nuclear security response is a research field dedicated to the systematic study of the planning, coordination, and execution of actions taken to prevent, detect, interrupt, and mitigate the consequences of malicious acts involving nuclear or radioactive materials and facilities. This concept investigates the capabilities, procedures, and inter-organizational dynamics across technical, political, legal, and operational dimensions, examining the effectiveness of measures implemented by various actors. Its primary significance lies in informing strategies and enhancing preparedness to reduce the risks of nuclear or radiological incidents and ensure effective consequence management, thereby contributing to global security.