As of early December 2014, the National Security Secretariat was staffed by 180 officials and comprises five directorates: Foreign & Defence Policy; the Civil Contingencies Secretariat; Security & Intelligence; the Office of Cyber Security and Information Assurance, and UK Computer Emergency Response Team (CERT UK).
截至2014年12月初，国家安全秘书处配备了180名官员，包括五个下级机构：外交与国防政策处，民事应急秘书处（英语：Civil Contingencies Secretariat），安全与情报处，网络安全和信息保障办公室，以及英国计算机应急响应小组（CERT UK）。