Russian espionage in the United States
Espionage against the United States of America committed by the Russian Federation / From Wikipedia, the free encyclopedia
For events before 1991, see Soviet espionage in the United States. For the Soviet term, see Active measures.
Russian espionage in the United States has occurred since at least the Cold War (as the Soviet Union), and likely well before. According to the United States government, by 2007 it had reached Cold War levels.[1]