* Bundesnachrichtendienst (BND): The Federal Intelligence Service. It's Germany's foreign intelligence agency, responsible for gathering information about threats to Germany's national security from abroad.
* Bundesamt für Verfassungsschutz (BfV): The Federal Office for the Protection of the Constitution. It's Germany's domestic intelligence agency, responsible for monitoring and combating threats to the constitutional order from within Germany, including extremism and terrorism.
There is also a third intelligence agency, the Militärischer Abschirmdienst (MAD): the Military Counterintelligence Service, which is responsible for counterintelligence within the German Armed Forces.