This is a list of spies who engaged in direct espionage. It includes Americans spying against their own country and people spying on behalf of the United States.

Aldrich Hazen Ames (/ eɪ m z /; born May 26, 1941) [2] [3] is an American former CIA counterintelligence officer who was convicted of espionage on behalf of the Soviet Union and Russia in 1994. He is serving a life sentence , without the possibility of parole, in the Federal Correctional Institution in Terre Haute , Indiana .

In our effort to remain as transparent as possible, we’re debunking 10 of the most common misconceptions people have about the CIA. It may surprise some to discover that we are not the gun-toting, globetrotting, martini-drinking spies frequently portrayed on the silver screen.

Since its inception, the discipline of counterintelligence has been a murky and controversial business, plagued by a persistent perception of failure, whether spies are caught or not, and an inconsistent level of attention and resources that have contributed to a lack of strategic perspective toward hostile intelligence attack.

During the 1960s, a corrosive mole hunt led by James J. Angleton, the CIA’s counterintelligence chief, led to institutional paranoia, paralyzed operations aimed at the Soviet Union, and ...

This article focuses on spies whose espionage appears to be primarily self-interested, rather than altruistic or self-sacrificing. Within this criminal or treasonous type, specific psychological factors com-monly occur, providing a guide to understanding the motives, behavior, and experiences of this type of spy. The risk of espionage can be ...

2025年3月6日 · The U.S. intelligence community, comprising 18 agencies with roughly 100,000 employees and a $106 billion budget, does everything from running human spies and tracking foreign military ...

2023年8月21日 · Beijing has ratcheted up efforts to crack down on spying and adopted a new counter-espionage law that came into effect last month. That legislation expands the list of activities that could be...

2017年5月20日 · WASHINGTON — The Chinese government systematically dismantled C.I.A. spying operations in the country starting in 2010, killing or imprisoning more than a dozen sources over two years and...

2018年8月3日 · Several American turncoats have been caught spying on their own countries while working at the CIA, the National Security Agency, the US State Department and the Pentagon. Here's a quick look...