Robert Philip Hanssen was an American Federal Bureau of Investigation (FBI) agent who spied for Soviet and Russian intelligence services against the United States from 1979 to 2001. His espionage was described by the Department of Justice as "possibly the worst intelligence disaster in U.S. history".
The Main Directorate of the General Staff of the Armed Forces of the Russian Federation, formerly the Main Intelligence Directorate, and still commonly known by its previous abbreviation GRU, is the foreign military intelligence agency of the General Staff of the Armed Forces of the Russian Federation. The GRU controls the military intelligence service and maintains its own special forces units.
The United States Army Special Forces (SF), colloquially known as the "Green Berets" due to their distinctive service headgear, is the special operations branch of the United States Army.
The Ministry of State Security is the principal civilian intelligence, security and secret police agency of the People's Republic of China, responsible for foreign intelligence, counterintelligence, and the political security of the Chinese Communist Party (CCP). One of the largest and most secretive intelligence organizations in the world, it is headquartered in the Haidian District of Beijing, with powerful semi-autonomous branches at the provincial, city, municipality and township levels throughout China.
As early as the 1920s, the Soviet Union, through its GRU, OGPU, NKVD, and KGB intelligence agencies, used Russian and foreign-born nationals, as well as Communists of American origin, to perform espionage activities in the United States, forming various spy rings. Particularly during the 1940s, some of these espionage networks had contact with various U.S. government agencies. These Soviet espionage networks illegally transmitted confidential information to Moscow, such as information on the development of the atomic bomb. Soviet spies also participated in propaganda and disinformation operations, known as active measures, and attempted to sabotage diplomatic relationships between the U.S. and its allies.
Ana Belén Montes is a former American senior analyst at the Defense Intelligence Agency in the United States who spied on behalf of the Cuban government for 17 years.
The Government of China is engaged in espionage overseas, directed through diverse methods via the Ministry of State Security (MSS), the Ministry of Public Security (MPS), the United Front Work Department (UFWD), People's Liberation Army (PLA) via its Intelligence Bureau of the Joint Staff Department, and numerous front organizations and state-owned enterprises. It employs a variety of tactics including cyber espionage to gain access to sensitive information remotely, signals intelligence, human intelligence as well as influence operations through united front activity targeting overseas Chinese communities and associations. The Chinese government is also engaged in industrial espionage aimed at gathering information and technology to bolster its economy, as well as transnational repression of dissidents abroad such as supporters of the Tibetan independence movement and Uyghurs as well as the Taiwan independence movement, the Hong Kong independence movement, Falun Gong, pro-democracy activists, and other critics of the Chinese Communist Party (CCP). The United States alleges that the degree of intelligence activity is unprecedented in its assertiveness and engagement in multiple host countries, particularly the United States, to which various US officials contend economic damages, prosperity and stolen innovations have resulted in $US320-445 billion annually since its inception and activities.
Clayton J. Lonetree is a former U.S. Marine who was court-martialed and convicted of espionage for the Soviet KGB; he served nine years in prison for espionage. During the early 1980s, Lonetree was a Marine Corps Security Guard stationed at the Embassy of the United States in Moscow.
Ali Abdul Saoud Mohamed is a double agent who worked for both the U.S. Central Intelligence Agency and Egyptian Islamic Jihad simultaneously, reporting on the workings of each for the benefit of the other.
Harold James Nicholson is a former Central Intelligence Agency (CIA) officer who was twice convicted of spying for Russia's Foreign Intelligence Service (SVR).
This page is a timeline of published security lapses in the United States government. These lapses are frequently referenced in congressional and non-governmental oversight. This article does not attempt to capture security vulnerabilities.
James W. Hall III is a former United States Army warrant officer and signals intelligence analyst in Germany who sold eavesdropping and code secrets to East Germany and the Soviet Union from 1983 to 1988.
The Institute of World Politics (IWP) is a private graduate school of national security, intelligence, and international affairs in Washington, D.C., and Reston, Virginia. Founded in 1990, the school offers courses related to intelligence, national security, and diplomatic communities.
Project GAMMA was the name given in 1968 to Detachment B-57, Company E, 5th Special Forces Group (Airborne) in Vietnam from 1967 to 1970. It was responsible for covert intelligence collection operations in Cambodia. The teams were highly effective at locating Viet Cong operations in Cambodia, leading to their destruction. When assets began to disappear, they identified a South Vietnamese officer as the mole. On the advice of the CIA, they took extrajudicial steps and murdered him. Seven officers and one non-commissioned officer were arrested and tried. When the CIA refused to answer summons for witnesses for national security reasons, the charges were dropped.
The United States has often accused the People's Republic of China of attempting to unlawfully acquire U.S. military technology and classified information as well as trade secrets of U.S. companies in order to support China's long-term military and commercial development. Chinese government agencies and affiliated personnel have been accused of using a number of methods to obtain U.S. technology, including espionage, exploitation of commercial entities, and a network of scientific, academic and business contacts. Prominent espionage cases include Larry Wu-tai Chin, Katrina Leung, Gwo-Bao Min, Chi Mak and Peter Lee. The Ministry of State Security (MSS) maintains a bureau dedicated to espionage against the United States, the United States Bureau.
Russian espionage in the United States has occurred since at least the Cold War, and likely well before. According to the United States government, by 2007 it had reached Cold War levels.
Cyberwarfare by China is the aggregate of all combative activities in the cyberspace which are taken by organs of the People's Republic of China, including affiliated advanced persistent threat (APT) groups, against other countries.
Robert Bradley Rheault was an American colonel in the U.S. Army Special Forces who served as commander of the First Special Forces Group in Okinawa, and the Fifth Special Forces Group in Vietnam from May to July 1969.
The Secret Intelligence Service (SIS), commonly known as MI6, is the foreign intelligence service of the United Kingdom, tasked mainly with the covert overseas collection and analysis of human intelligence on foreign nationals in support of its Five Eyes partners. SIS is one of the British intelligence agencies and the Chief of the Secret Intelligence Service ("C") is directly accountable to the Foreign Secretary.
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