# BfV The Bundesamt für Verfassungsschutz (Federal Office for the Protection of the Constitution) is Germany's domestic intelligence agency — responsible for counterintelligence, counterterrorism, and monitoring extremist organizations that threaten the constitutional order. The BfV's unique mandate reflects Germany's post-war commitment to "militant democracy" (wehrhafte Demokratie) — the principle that the democratic state must actively defend itself against movements that would use democratic freedoms to destroy democracy. The BfV monitors and reports on both far-right and far-left extremism, Islamist terrorism, and foreign intelligence operations on German soil. Its most consequential recent action: formally classifying the [[AfD]] (Alternative for Germany) as a suspected extremist organization in 2021, enabling enhanced surveillance of the party — a decision with enormous political implications as the AfD became Germany's second-largest party. The agency was severely damaged by the revelation that former BfV president Hans-Georg Maaßen had downplayed far-right violence and maintained sympathies with right-wing positions — he was eventually removed in 2018 and subsequently joined far-right political circles, embodying the infiltration problem the agency was designed to prevent. ## See Also - [[BND]] — German foreign intelligence - [[MI5]] — UK domestic equivalent - [[AfD]] — the party BfV classified as suspected extremist - [[Fourteen Eyes]] — the intelligence-sharing tier - [[Global Intelligence Hub]] — full agency index