Operation Dunhammer
Operation Dunhammer (Danish for Operation Typha) was an internal investigation conducted by the Danish Defence Intelligence Service (Danish: Forsvarets Efterretningstjeneste, FE) which concluded the agency cooperated with the American National Security Agency to wiretap senior politicians, government officials, and government entities of certain European Union countries from 2012 to 2014. == Report == Due to concerns following Edward Snowden's leaking of the NSA's global surveillance operations, the Danish Defence Intelligence Service began the investigation the following year.