The Norwegian National Security Authority (NSM)

The Norwegian National Security Authority (NSM) is a cross-sectoral professional and supervisory authority within the protective security services in Norway.

The purpose of protective security is to counter threats to the independence and security of the realm and other vital national security interests, primarily espionage, sabotage or acts of terrorism. Protective security measures shall not be more intrusive than strictly necessary, and shall serve to promote a robust and safe society.

The directorate was established 1 Jan 2003 and reports to Ministry of Justice and Public Security (civil sector) and Ministry of Defence (military sector).