Greenwald's article, How Covert Agents Infiltrate the Internet to Manipulate, Deceive, and Destroy Reputations, is based on four classified documents produced by the British spy agency GCHQ, and presented to the NSA and three other English speaking agencies reportedly part of "The Five Eyes Alliance."

In this shocking piece, Greenwald publishes a copy of a spy training manual used entitled: "The Art of Deception: Training for Online Covert Operations." Greenwald writes that agencies like the NSA are "attempting to control, infiltrate, manipulate, and warp online discourse, and in doing so, are compromising the integrity of the internet itself." Greenwald writes: