The Bayerisches Landesamt für Verfassungsschutz (BayLfV, "Bavarian Office for the Protection of the Constitution") is the domestic intelligence agency of the Free State of Bavaria.
Its main function is the observation and surveillance of anti-constitutional activities in Bavaria.
[2] Its work is governed by a state law, the Bayerisches Verfassungsschutzgesetz.
It is also tasked with the prevention of military and industrial espionage and of monitoring organized crime.
According to a 2021 report from the US State Department, BayLfV was monitoring organisations such as the NDP, Der Flügel, Young Alternative and The Third Way.