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Espionage, spying, or intelligence gathering is the act of obtaining secret or
confidential information Confidentiality involves a set of rules or a promise usually executed through confidentiality agreements that limits the access or places restrictions on certain types of information. Legal confidentiality By law, lawyers are often required ...
( intelligence) from non-disclosed sources or divulging of the same without the permission of the holder of the information for a tangible benefit. A person who commits espionage is called an ''espionage agent'' or ''spy''. Any individual or spy ring (a cooperating group of spies), in the service of a government,
company A company, abbreviated as co., is a legal entity representing an association of people, whether natural, legal or a mixture of both, with a specific objective. Company members share a common purpose and unite to achieve specific, declared go ...
,
criminal organization Organized crime (or organised crime) is a category of transnational, national, or local groupings of highly centralized enterprises run by criminals to engage in illegal activity, most commonly for profit. While organized crime is generally th ...
, or independent operation, can commit espionage. The practice is
clandestine Clandestine may refer to: * Secrecy, the practice of hiding information from certain individuals or groups, perhaps while sharing it with other individuals * Clandestine operation, a secret intelligence or military activity Music and entertainmen ...
, as it is by definition unwelcome. In some circumstances, it may be a legal tool of law enforcement and in others, it may be illegal and punishable by law. Espionage is often part of an institutional effort by a government or commercial concern. However, the term tends to be associated with state spying on potential or actual enemies for military purposes. Spying involving corporations is known as industrial espionage. One of the most effective ways to gather data and information about a targeted organization is by infiltrating its ranks. This is the job of the spy (espionage agent). Spies can then return information such as the size and strength of
enemy force An opposing force (alternatively enemy force, abbreviated OPFOR) is a military unit tasked with representing an enemy, usually for training purposes in war game scenarios. The related concept of aggressor squadron is used by some air forces. T ...
s. They can also find
dissident A dissident is a person who actively challenges an established political or religious system, doctrine, belief, policy, or institution. In a religious context, the word has been used since the 18th century, and in the political sense since the ...
s within the organization and influence them to provide further information or to defect. In times of crisis, spies steal technology and sabotage the enemy in various ways.
Counterintelligence Counterintelligence is an activity aimed at protecting an agency's intelligence program from an opposition's intelligence service. It includes gathering information and conducting activities to prevent espionage, sabotage, assassinations or ot ...
is the practice of thwarting enemy espionage and intelligence-gathering. Almost all nations have strict laws concerning espionage and the penalty for being caught is often severe. However, the benefits gained through espionage are often so great that most governments and many large corporations make use of it.


History

Espionage has been recognized as an importance in military affairs since ancient times. The oldest known classified document was a report made by a spy disguised as a diplomatic envoy in the court of
King Hammurabi Hammurabi ( Akkadian: ; ) was the sixth Amorite king of the Old Babylonian Empire, reigning from to BC. He was preceded by his father, Sin-Muballit, who abdicated due to failing health. During his reign, he conquered Elam and the city-states ...
, who died in around 1750 BC. The ancient Egyptians had a developed secret service, and espionage is mentioned in the '' Iliad'', the Bible, and the
Amarna letters The Amarna letters (; sometimes referred to as the Amarna correspondence or Amarna tablets, and cited with the abbreviation EA, for "El Amarna") are an archive, written on clay tablets, primarily consisting of diplomatic correspondence between t ...
as well as its recordings in the story of the Old Testament, '' The Twelve Spies''. Espionage was also prevalent in the Greco-Roman world, when spies employed illiterate subjects in
civil service The civil service is a collective term for a sector of government composed mainly of career civil servants hired on professional merit rather than appointed or elected, whose institutional tenure typically survives transitions of political leaders ...
s. The thesis that espionage and intelligence has a central role in war as well as peace was first advanced in '' The Art of War'' and in the ''
Arthashastra The ''Arthashastra'' ( sa, अर्थशास्त्रम्, ) is an Ancient Indian Sanskrit treatise on statecraft, political science, economic policy and military strategy. Kautilya, also identified as Vishnugupta and Chanakya, is t ...
''. In the Middle Ages European states excelled at what has later been termed counter-
subversion Subversion () refers to a process by which the values and principles of a system in place are contradicted or reversed in an attempt to transform the established social order and its structures of power, authority, hierarchy A hierarchy (from ...
when Catholic inquisitions were staged to annihilate heresy. Inquisitions were marked by centrally organised mass interrogations and detailed record keeping. During the Renaissance European states funded codebreakers to obtain intelligence through
frequency analysis In cryptanalysis, frequency analysis (also known as counting letters) is the study of the frequency of letters or groups of letters in a ciphertext. The method is used as an aid to breaking classical ciphers. Frequency analysis is based on th ...
. Western espionage changed fundamentally during the Renaissance when Italian
city-state A city-state is an independent sovereign city which serves as the center of political, economic, and cultural life over its contiguous territory. They have existed in many parts of the world since the dawn of history, including cities such as ...
s installed resident
ambassador An ambassador is an official envoy, especially a high-ranking diplomat who represents a state and is usually accredited to another sovereign state or to an international organization as the resident representative of their own government or sov ...
s in
capital cities A capital city or capital is the municipality holding primary status in a country, state, province, department, or other subnational entity, usually as its seat of the government. A capital is typically a city that physically encompasses the go ...
to collect intelligence. Renaissance Venice became so obsessed with espionage that the
Council of Ten The Council of Ten ( it, Consiglio dei Dieci; vec, Consejo de i Diexe), or simply the Ten, was from 1310 to 1797 one of the major governing bodies of the Republic of Venice. Elections took place annually and the Council of Ten had the power to i ...
, which was nominally responsible for
security Security is protection from, or resilience against, potential harm (or other unwanted coercive change) caused by others, by restraining the freedom of others to act. Beneficiaries (technically referents) of security may be of persons and social ...
, did not even allow the
doge A doge ( , ; plural dogi or doges) was an elected lord and head of state in several Italian city-states, notably Venice and Genoa, during the medieval and renaissance periods. Such states are referred to as " crowned republics". Etymology The ...
to consult government
archive An archive is an accumulation of historical records or materials – in any medium – or the physical facility in which they are located. Archives contain primary source documents that have accumulated over the course of an individual or ...
s freely. In 1481 the Council of Ten barred all Venetian government officials from making contact with ambassadors or foreigners. Those revealing
official secret Classified information is material that a government body deems to be sensitive information that must be protected. Access is restricted by law or regulation to particular groups of people with the necessary security clearance and need to know, ...
s could face the
death penalty Capital punishment, also known as the death penalty, is the state-sanctioned practice of deliberately killing a person as a punishment for an actual or supposed crime, usually following an authorized, rule-governed process to conclude that ...
. Venice became obsessed with espionage because successful international trade demanded that the city-state could protect its trade secrets. Under Elizabeth I,
Francis Walsingham Sir Francis Walsingham ( – 6 April 1590) was principal secretary to Queen Elizabeth I of England from 20 December 1573 until his death and is popularly remembered as her "spymaster". Born to a well-connected family of gentry, Wal ...
was appointed foreign secretary and intelligence chief. During the
American Revolution The American Revolution was an ideological and political revolution that occurred in British America between 1765 and 1791. The Americans in the Thirteen Colonies formed independent states that defeated the British in the American Revoluti ...
,
Nathan Hale Nathan Hale (June 6, 1755 – September 22, 1776) was an American Patriot, soldier and spy for the Continental Army during the American Revolutionary War. He volunteered for an intelligence-gathering mission in New York City but was captured ...
and
Benedict Arnold Benedict Arnold ( Brandt (1994), p. 4June 14, 1801) was an American military officer who served during the Revolutionary War. He fought with distinction for the American Continental Army and rose to the rank of major general before defecti ...
achieved their fame as spies, and there was considerable use of spies on both sides during the American Civil War. Though not a spy himself,
George Washington George Washington (February 22, 1732, 1799) was an American military officer, statesman, and Founding Father who served as the first president of the United States from 1789 to 1797. Appointed by the Continental Congress as commander of th ...
was America's first spymaster, utilizing espionage tactics against the British. In the 20th century, at the height of World War I, all great powers except the United States had elaborate civilian espionage systems and all national military establishments had intelligence units. In order to protect the country against foreign agents, the U.S. Congress passed the Espionage Act of 1917.
Mata Hari Margaretha Geertruida MacLeod (née Zelle; 7 August 187615 October 1917), better known by the stage name Mata Hari (), was a Dutch exotic dancer and courtesan who was convicted of being a spy for Germany during World War I. She was executed ...
, who obtained information for Germany by seducing French officials, was the most noted espionage agent of World War I. Prior to World War II, Germany and
Imperial Japan The also known as the Japanese Empire or Imperial Japan, was a historical nation-state and great power that existed from the Meiji Restoration in 1868 until the enactment of the post-World War II Constitution of Japan, 1947 constitutio ...
established elaborate espionage nets. In 1942 the Office of Strategic Services was founded by Gen. William J. Donovan. However, the British system was the keystone of Allied intelligence. Numerous resistance groups such as the Austrian Maier-Messner Group, the French Resistance, the
Witte Brigade The White Brigade ( nl, Witte Brigade, french: Brigade blanche) was a Belgian resistance group, founded in the summer of 1940 in Antwerp by Marcel Louette, who was nicknamed "Fidelio". The group was originally known as "De Geuzengroep" and chang ...
, Milorg and the Polish
Home Army The Home Army ( pl, Armia Krajowa, abbreviated AK; ) was the dominant resistance movement in German-occupied Poland during World War II. The Home Army was formed in February 1942 from the earlier Związek Walki Zbrojnej (Armed Resistance) es ...
worked against Nazi Germany and provided the Allied secret services with information that was very important for the war effort. Since the end of World War II, the activity of espionage has enlarged, much of it growing out of the Cold War between the United States and the former USSR. The Russian Empire and its successor, the Soviet Union have had a long tradition of espionage ranging from the Okhrana to the
KGB The KGB (russian: links=no, lit=Committee for State Security, Комитет государственной безопасности (КГБ), a=ru-KGB.ogg, p=kəmʲɪˈtʲet ɡəsʊˈdarstvʲɪn(ː)əj bʲɪzɐˈpasnəsʲtʲɪ, Komitet gosud ...
(Committee for State Security), which also acted as a secret police force. In the United States, the 1947 National Security Act created the
Central Intelligence Agency The Central Intelligence Agency (CIA ), known informally as the Agency and historically as the Company, is a civilian foreign intelligence service of the federal government of the United States, officially tasked with gathering, processing, ...
(CIA) to coordinate intelligence and the National Security Agency for research into codes and electronic communication. In addition to these, the United States has 13 other intelligence gathering agencies; most of the U.S. expenditures for intelligence gathering are budgeted to various Defense Dept. agencies and their programs. Under the intelligence reorganization of 2004, the director of national intelligence is responsible for overseeing and coordinating the activities and budgets of the U.S. intelligence agencies. In the Cold War, espionage cases included
Alger Hiss Alger Hiss (November 11, 1904 – November 15, 1996) was an American government official accused in 1948 of having spied for the Soviet Union in the 1930s. Statutes of limitations had expired for espionage, but he was convicted of perjury in con ...
and Whittaker Chambers and the Rosenberg Case. In 1952 the Communist Chinese captured two CIA agents, and in 1960 Francis Gary Powers, flying a U-2 reconnaissance mission over the Soviet Union for the CIA, was shot down and captured. During the Cold War, many Soviet intelligence officials defected to the West, including Gen. Walter Krivitsky, Victor Kravchenko, Vladimir Petrov, Peter Deriabin Pawel Monat, and Oleg Penkovsky, of the GRU (Soviet military intelligence). Among Western officials who defected to the Soviet Union are Guy Burgess and Donald D. Maclean of Great Britain in 1951,
Otto John Otto John (19 March 1909 – 26 March 1997) was a German lawyer and intelligence official. During World War Two, he was a conspirator in the 20 July plot to assassinate Adolf Hitler. Following the war, he became the first head of West Germa ...
of West Germany in 1954, William H. Martin and Bernon F. Mitchell, U.S. cryptographers, in 1960, and Harold (Kim) Philby of Great Britain in 1962. U.S. acknowledgment of its U-2 flights and the exchange of Francis Gary Powers for Rudolf Abel in 1962 implied the legitimacy of some espionage as an arm of foreign policy. China has a very cost-effective intelligence program that is especially effective in monitoring neighboring countries such as Mongolia,
Russia Russia (, , ), or the Russian Federation, is a transcontinental country spanning Eastern Europe and Northern Asia. It is the largest country in the world, with its internationally recognised territory covering , and encompassing one-eight ...
, and India. Smaller countries can also mount effective and focused espionage efforts. For instance, the Vietnamese communists had consistently superior intelligence during the Vietnam War. Some Islamic countries, including Libya, Iran, and Syria, have highly developed operations as well. SAVAK, the secret police of the Pahlavi dynasty, was particularly feared by Iranian dissidents before the 1979 Iranian Revolution.


Today

Today, spy agencies target the illegal drug trade and
terrorists Terrorism, in its broadest sense, is the use of criminal violence to provoke a state of terror or fear, mostly with the intention to achieve political or religious aims. The term is used in this regard primarily to refer to intentional violen ...
as well as state actors. Between 2008 and 2011, the United States charged at least 57 defendants for attempting to spy for China. Intelligence services value certain intelligence collection techniques over others. The former Soviet Union, for example, preferred human sources over research in open sources, while the United States has tended to emphasize technological methods such as
SIGINT Signals intelligence (SIGINT) is intelligence-gathering by interception of '' signals'', whether communications between people (communications intelligence—abbreviated to COMINT) or from electronic signals not directly used in communication ...
and IMINT. In the Soviet Union, both political (
KGB The KGB (russian: links=no, lit=Committee for State Security, Комитет государственной безопасности (КГБ), a=ru-KGB.ogg, p=kəmʲɪˈtʲet ɡəsʊˈdarstvʲɪn(ː)əj bʲɪzɐˈpasnəsʲtʲɪ, Komitet gosud ...
) and
military intelligence Military intelligence is a military discipline that uses information collection and analysis approaches to provide guidance and direction to assist commanders in their decisions. This aim is achieved by providing an assessment of data from ...
(
GRU The Main Directorate of the General Staff of the Armed Forces of the Russian Federation, rus, Гла́вное управле́ние Генера́льного шта́ба Вооружённых сил Росси́йской Федера́ци ...
) officers were judged by the number of agents they recruited. The espionage efforts and knowledge of a nation are often used by other countries by hiring their intelligence employees. The United Arab Emirates is one of the major countries relying on the technique, where they have hired the former employees of the US National Security Agency and White House veterans. Some of the agents were hired to hack the Emirates' former rival nation Qatar, its royals, and even FIFA officials. Others were asked to conduct surveillance on other governments, human rights activists, social media critics, and even militants. However, the spying efforts of the UAE by using the Americans were also used to target the US itself, including former first lady
Michelle Obama Michelle LaVaughn Robinson Obama (born January 17, 1964) is an American attorney and author who served as first lady of the United States from 2009 to 2017. She was the first African-American woman to serve in this position. She is married t ...
. In September 2021, three former intelligence officials from America admitted to working for the United Arab Emirates' DarkMatter for hacking computers, servers, and electronic devices, including the computers and servers in the United States. According to court documents, the three operatives—Daniel Gericke, Ryan Adams, and Marc Baier—helped Emirati intelligence operatives with advanced cyber technology to assist them in breaches directed at potential enemies or political rivals. The DarkMatter also hired several other former NSA and CIA officers at salaries worth hundreds of thousands of dollars a year. In August 2022, a 44-year-old former Twitter employee, Ahmad Abouammo was found guilty of spying for the government of Saudi Arabia. Prosecutors said he had been accessing the email accounts and phone numbers of all the accounts that were writing negatively about the Saudi regime. For the time he worked for the firm, from 2013 to 2015, Abouammo had been passing private user information to a Saudi official associated with the government. In exchange, he received a luxury watch and hundreds of thousands of dollars. For almost a year, Abouammo took bribes that were around three times his annual salary, citing which a prosecutor said, "That kind of money is not for nothing." Other charges against him included money laundering, falsification of records and a count of wire fraud.


Targets of espionage

Espionage agents are usually trained experts in a targeted field so they can differentiate mundane information from targets of value to their own organizational development. Correct identification of the target at its execution is the sole purpose of the espionage operation. Broad areas of espionage targeting expertise include: * Natural resources: strategic production identification and assessment (food, energy, materials). Agents are usually found among bureaucrats who administer these resources in their own countries * Popular sentiment towards domestic and foreign policies (popular, middle class, elites). Agents often recruited from field journalistic crews, exchange postgraduate students and sociology researchers * Strategic economic strengths (production, research, manufacture, infrastructure). Agents recruited from science and technology academia, commercial enterprises, and more rarely from among military technologists *
Military capability Military capability is defined by the Australian Defence Force as "the ability to achieve a desired effect in a specific operating environment". It is defined by three interdependent factors: combat readiness, sustainable capability and force str ...
intelligence (offensive, defensive, manoeuvre, naval, air, space). Agents are trained by military espionage education facilities and posted to an area of operation with covert identities to minimize prosecution *
Counterintelligence Counterintelligence is an activity aimed at protecting an agency's intelligence program from an opposition's intelligence service. It includes gathering information and conducting activities to prevent espionage, sabotage, assassinations or ot ...
operations targeting opponents' intelligence services themselves, such as breaching the confidentiality of communications, and recruiting defectors or
mole Mole (or Molé) may refer to: Animals * Mole (animal) or "true mole", mammals in the family Talpidae, found in Eurasia and North America * Golden moles, southern African mammals in the family Chrysochloridae, similar to but unrelated to Talpida ...
s


Methods and terminology

Although the news media may speak of "spy satellites" and the like, espionage is not a synonym for all intelligence-gathering disciplines. It is a specific form of human source intelligence (
HUMINT Human intelligence (abbreviated HUMINT and pronounced as ''hyoo-mint'') is intelligence gathered by means of interpersonal contact, as opposed to the more technical intelligence gathering disciplines such as signals intelligence (SIGINT), imager ...
). Codebreaking (
cryptanalysis Cryptanalysis (from the Greek ''kryptós'', "hidden", and ''analýein'', "to analyze") refers to the process of analyzing information systems in order to understand hidden aspects of the systems. Cryptanalysis is used to breach cryptographic sec ...
or
COMINT Signals intelligence (SIGINT) is intelligence-gathering by interception of '' signals'', whether communications between people (communications intelligence—abbreviated to COMINT) or from electronic signals not directly used in communication ...
), aircraft or satellite photography ( IMINT), and analysis of publicly available data sources (
OSINT Open-source intelligence (OSINT) is the collection and analysis of data gathered from open sources (covert and publicly available sources) to produce actionable intelligence. OSINT is primarily used in national security, law enforcement, and busi ...
) are all intelligence gathering disciplines, but none of them is considered espionage. Many HUMINT activities, such as prisoner interrogation, reports from military
reconnaissance In military operations, reconnaissance or scouting is the exploration of an area by military forces to obtain information about enemy forces, terrain, and other activities. Examples of reconnaissance include patrolling by troops (skirmishers ...
patrols and from diplomats, etc., are not considered espionage. Espionage is the disclosure of sensitive information (classified) to people who are not cleared for that information or access to that sensitive information. Unlike other forms of intelligence collection disciplines, espionage usually involves accessing the place where the desired information is stored or accessing the people who know the information and will divulge it through some kind of subterfuge. There are exceptions to physical meetings, such as the
Oslo Report The Oslo Report was one of the most spectacular leaks in the history of military intelligence. Written by German mathematician and physicist Hans Ferdinand Mayer on 1 and 2 November 1939 during a business trip to Oslo, Norway, it described several ...
, or the insistence of Robert Hanssen in never meeting the people who bought his information. The US defines espionage towards itself as "the act of obtaining, delivering, transmitting, communicating, or receiving information about the national defence with an intent, or reason to believe, that the information may be used to the injury of the United States or to the advantage of any foreign nation". '' Black's Law Dictionary'' (1990) defines espionage as: "... gathering, transmitting, or losing ... information related to the national defense". Espionage is a violation of United States law, and Article 106a of the
Uniform Code of Military Justice The Uniform Code of Military Justice (UCMJ, 10 U.S.C. §§ 801–946 is the foundation of military law in the United States. It was established by the United States Congress in accordance with the authority given by the United States Constitution ...
. The United States, like most nations, conducts espionage against other nations, under the control of the National Clandestine Service. Britain's espionage activities are controlled by the Secret Intelligence Service.


Technology and techniques

*
Agent handling In intelligence organizations, agent handling is the management of so-called agents (called secret agents or spies in common parlance), principal agents, and agent networks (called "assets") by intelligence officers typically known as case o ...
*
Concealment device Concealment devices or diversion safes are used to hide things for the purpose of secrecy or security. They are made from an ordinary household object such as a book, a soda can, a candle, a can, or something as small as a coin. The idea is tha ...
*
Covert agent The term ''covert agent'' can have many meanings, depending on context. United States As it is used in the United States Intelligence Community, it is legally defined in 50 USCA §426. The definition is subject to judicial interpretation, but ...
*
Covert listening device A covert listening device, more commonly known as a bug or a wire, is usually a combination of a miniature radio transmitter with a microphone. The use of bugs, called bugging, or wiretapping is a common technique in surveillance, espionage and ...
*
Cut-out Cut-out, cutout, or cut out may refer to: * Cutout animation * Cutout (electric power distribution), a combination fuse and knife switch used on power poles * Cutout (espionage), a mechanism used to pass information * Cut-out (philately), an impr ...
*
Cyber spying Cyber spying, or cyber espionage, is the act or practice of obtaining secrets and information without the permission and knowledge of the holder of the information from individuals, competitors, rivals, groups, governments and enemies for personal, ...
* Dead drop *
False flag A false flag operation is an act committed with the intent of disguising the actual source of responsibility and pinning blame on another party. The term "false flag" originated in the 16th century as an expression meaning an intentional misr ...
operations * Honeypot *
Impersonation An impersonator is someone who imitates or copies the behavior or actions of another. There are many reasons for impersonating someone: *Entertainment: An entertainer impersonates a celebrity, generally for entertainment, and makes fun of ...
* Impostor * Interrogation * Non-official cover * Numbers messaging *
Official cover In espionage, an official cover operative is one who assumes a position in an organization with diplomatic ties to the government for which the operative works such as an embassy or consulate. This provides the agent with official diplomatic immu ...
*
One-way voice link A one-way voice link (OWVL) is typically a radio based communication method used by spy networks to communicate with agents in the field typically (but not exclusively) using shortwave radio frequencies. Shortwave frequencies were and are genera ...
* Sabotage * Safe house * Side channel attack * Steganography * Surveillance * Surveillance aircraft Source:


Organization

A spy is a person employed to seek out top secret information from a source. Within the
United States Intelligence Community United may refer to: Places * United, Pennsylvania, an unincorporated community * United, West Virginia, an unincorporated community Arts and entertainment Films * ''United'' (2003 film), a Norwegian film * ''United'' (2011 film), a BBC Two f ...
, "asset" is more common usage. A
case officer In intelligence organizations, agent handling is the management of so-called agents (called secret agents or spies in common parlance), principal agents, and agent networks (called "assets") by intelligence officers typically known as case o ...
or Special Agent, who may have diplomatic status (i.e.,
official cover In espionage, an official cover operative is one who assumes a position in an organization with diplomatic ties to the government for which the operative works such as an embassy or consulate. This provides the agent with official diplomatic immu ...
or non-official cover), supports and directs the human collector. Cut-outs are
courier A courier is a person or organisation that delivers a message, package or letter from one place or person to another place or person. Typically, a courier provides their courier service on a commercial contract basis; however, some couriers are ...
s who do not know the agent or case officer but transfer messages. A safe house is a refuge for spies. Spies often seek to obtain secret information from another source. In larger networks, the organization can be complex with many methods to avoid detection, including
clandestine cell system A clandestine cell system is a method for organizing a group of people (such as resistance fighters, sleeper agents, mobsters, or terrorists) such that such people can more effectively resist penetration by an opposing organization (such as ...
s. Often the players have never met. Case officers are stationed in foreign countries to recruit and supervise intelligence agents, who in turn spy on targets in the countries where they are assigned. A spy need not be a citizen of the target country and hence does not automatically commit treason when operating within it. While the more common practice is to recruit a person already trusted with access to sensitive information, sometimes a person with a well-prepared synthetic identity (cover background), called a ''legend'' in
tradecraft Tradecraft, within the intelligence community, refers to the techniques, methods and technologies used in modern espionage (spying) and generally, as part of the activity of intelligence assessment. This includes general topics or techniques ( ...
, may attempt to infiltrate a target organization. These agents can be moles (who are recruited before they get access to secrets), defectors (who are recruited after they get access to secrets and leave their country) or defectors in place (who get access but do not leave). A ''legend'' is also employed for an individual who ''is not'' an illegal agent, but is an ordinary citizen who is "relocated", for example, a "protected witness". Nevertheless, such a non-agent very likely will also have a case officer who will act as a controller. As in most, if not all synthetic identity schemes, for whatever purpose (illegal or legal), the assistance of a controller is required. Spies may also be used to spread disinformation in the organization in which they are planted, such as giving false reports about their country's military movements, or about a competing company's ability to bring a product to market. Spies may be given other roles that also require infiltration, such as sabotage. Many governments spy on their allies as well as their enemies, although they typically maintain a policy of not commenting on this. Governments also employ private companies to collect information on their behalf such as
SCG International Risk SCG International was founded in 1996 to provide government and private sectors with domestic and international security, logistics and training services. After SCG and its former CEO Jamie Smith lost a $9.5 million lawsuit, the Virginian-Pilot rep ...
, International Intelligence Limited and others. Many organizations, both national and non-national, conduct espionage operations. It should not be assumed that espionage is always directed at the most secret operations of a target country. National and terrorist organizations and other groups are also targeted. This is because governments want to retrieve information that they can use to be proactive in protecting their nation from potential terrorist attacks. Communications both are necessary to espionage and
clandestine operation A clandestine operation is an intelligence or military operation carried out in such a way that the operation goes unnoticed by the general population or specific enemy forces. Until the 1970s, clandestine operations were primarily political in ...
s, and also a great vulnerability when the adversary has sophisticated SIGINT detection and interception capability. Spies rely on COVCOM or covert communication through technically advanced spy devices. Agents must also transfer money securely.


Industrial espionage

Reportedly Canada is losing $12 billion and
German German(s) may refer to: * Germany (of or related to) **Germania (historical use) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizens of Germany, see also German nationality law **Ge ...
companies are estimated to be losing about €50 billion ($87 billion) and 30,000 jobs to industrial espionage every year.


Agents in espionage

In espionage jargon, an "agent" is the person who does the spying. They may be a citizen of a country recruited by that country to spy on another; a citizen of a country recruited by that country to carry out
false flag A false flag operation is an act committed with the intent of disguising the actual source of responsibility and pinning blame on another party. The term "false flag" originated in the 16th century as an expression meaning an intentional misr ...
assignments disrupting his own country; a citizen of one country who is recruited by a second country to spy on or work against his own country or a third country, and more. In popular usage, this term is sometimes confused with an ''
intelligence officer An intelligence officer is a person employed by an organization to collect, compile or analyze information (known as intelligence) which is of use to that organization. The word of ''officer'' is a working title, not a rank, used in the same way a ...
'', ''intelligence operative'', or ''case officer'' who recruits and handles agents. Among the most common forms of agent are: *
Agent provocateur An agent provocateur () is a person who commits, or who acts to entice another person to commit, an illegal or rash act or falsely implicate them in partaking in an illegal act, so as to ruin the reputation of, or entice legal action against, the ...
: instigates trouble or provides information to gather as many people as possible into one location for an arrest. * Intelligence agent: provides access to sensitive information through the use of special privileges. If used in ''corporate intelligence'' gathering, this may include gathering information of a corporate business venture or stock portfolio. In ''economic intelligence'', "Economic Analysts may use their specialized skills to analyze and interpret economic trends and developments, assess and track foreign financial activities, and develop new econometric and modelling methodologies."Cia.gov This may also include information of trade or tariff. * Agent-of-influence: provides political influence in an area of interest, possibly including
publications To publish is to make content available to the general public.Berne Con ...
needed to further an intelligence service agenda. The use of the media to print a story to mislead a foreign service into action, exposing their operations while under surveillance. *
Double agent In the field of counterintelligence, a double agent is an employee of a secret intelligence service for one country, whose primary purpose is to spy on a target organization of another country, but who is now spying on their own country's organ ...
: engages in clandestine activity for two intelligence or security services (or more in joint operations), who provides information about one or about each to the other, and who wittingly withholds significant information from one on the instructions of the other or is unwittingly manipulated by one so that significant facts are withheld from the adversary. Peddlers,
fabricators Metal fabrication is the creation of metal structures by cutting, bending and assembling processes. It is a value-added process involving the creation of machines, parts, and structures from various raw materials. Typically, a fabrication sh ...
, and others who work for themselves rather than a service are not double agents because they are not agents. The fact that double agents have an agent relationship with both sides distinguishes them from penetrations, who normally are placed with the target service in a staff or officer capacity." ** Redoubled agent: forced to mislead the foreign intelligence service after being caught as a double agent. ** Unwitting double agent: offers or is forced to recruit as a double or redoubled agent and in the process is recruited by either a third-party intelligence service or his own government without the knowledge of the intended target intelligence service or the agent. This can be useful in capturing important information from an agent that is attempting to seek allegiance with another country. The double agent usually has knowledge of both intelligence services and can identify operational techniques of both, thus making third-party recruitment difficult or impossible. The knowledge of operational techniques can also affect the relationship between the operations officer (or case officer) and the agent if the case is transferred by an operational targeting officer] to a new operations officer, leaving the new officer vulnerable to attack. This type of transfer ''may'' occur when an officer has completed his term of service or when his ''cover'' is blown. *
Sleeper agent A sleeper agent, also called sleeper cell, is a spy who is placed in a target country or organization not to undertake an immediate mission but to act as a potential asset if activated. Even if unactivated, the "sleeper agent" is still an asset ...
: recruited to ''wake up'' and perform a specific set of tasks or functions while living undercover in an area of interest. This type of agent is not the same as a '' deep cover operative'', who continually contacts a case officer to file intelligence reports. A sleeper agent is not in contact with anyone until ''activated''. * Triple agent: works for three intelligence services. Less common or lesser known forms of agent include: * Access agent: provides access to other potential agents by providing
offender profiling Offender profiling, also known as criminal profiling, is an investigative strategy used by law enforcement agencies to identify likely suspects and has been used by investigators to link cases that may have been committed by the same perpetrator ...
information that can help lead to recruitment into an intelligence service. * Confusion agent: provides misleading information to an enemy intelligence service or attempts to discredit the operations of the ''target'' in an operation. * Facilities agent: provides access to buildings, such as garages or offices used for
staging Staging may refer to: Computing * Staging (cloud computing), a process used to assemble, test, and review a new solution before it is moved into production and the existing solution is decommissioned * Staging (data), intermediately storing data ...
operations, resupply, etc. *
Illegal agent Illegal agent may refer to: *Non-official cover, an espionage operative without official government links who assume covert roles *Illegals Program The Illegals Program (so named by the United States Department of Justice) was a network of Russ ...
: lives in another country under false credentials and does not report to a local station. A nonofficial cover operative can be dubbed an "illegal"Illegal
Mi5.gov. "How spies operate".
when working in another country without diplomatic protection. * Principal agent: functions as a handler for an established network of agents, usually considered "blue chip".


Law

Espionage against a nation is a crime under the legal code of many nations. In the United States, it is covered by the Espionage Act of 1917. The risks of espionage vary. A spy violating the host country's laws may be deported, imprisoned, or even executed. A spy violating its own country's laws can be imprisoned for espionage or/and treason (which in the United States and some other jurisdictions can only occur if they take up arms or aids the enemy against their own country during wartime), or even executed, as the Rosenbergs were. For example, when Aldrich Ames handed a stack of dossiers of U.S.
Central Intelligence Agency The Central Intelligence Agency (CIA ), known informally as the Agency and historically as the Company, is a civilian foreign intelligence service of the federal government of the United States, officially tasked with gathering, processing, ...
(CIA) agents in the Eastern Bloc to his KGB-officer "handler", the KGB "rolled up" several networks, and at least ten people were secretly shot. When Ames was arrested by the U.S. Federal Bureau of Investigation (FBI), he faced life in prison; his contact, who had diplomatic immunity, was declared ''
persona non grata In diplomacy, a ' (Latin: "person not welcome", plural: ') is a status applied by a host country to foreign diplomats to remove their protection of diplomatic immunity from arrest and other types of prosecution. Diplomacy Under Article 9 of the ...
'' and taken to the airport. Ames' wife was threatened with life imprisonment if her husband did not cooperate; he did, and she was given a five-year sentence. Hugh Francis Redmond, a CIA officer in China, spent nineteen years in a Chinese prison for espionage—and died there—as he was operating without diplomatic cover and immunity. In United States law, treason, espionage, and spying are separate crimes. Treason and espionage have graduated punishment levels. The United States in World War I passed the Espionage Act of 1917. Over the years, many spies, such as the Soble spy ring, Robert Lee Johnson, the Rosenberg ring, Aldrich Hazen Ames, Robert Philip Hanssen, Jonathan Pollard,
John Anthony Walker John Anthony Walker Jr. (July 28, 1937 – August 28, 2014) was a United States Navy chief warrant officer and communications specialist convicted of spying for the Soviet Union from 1967 to 1985 and sentenced to life in prison. In late ...
, James Hall III, and others have been prosecuted under this law.


History of espionage laws

From ancient times, the penalty for espionage in many countries was execution. This was true right up until the era of World War II; for example,
Josef Jakobs Josef Jakobs (30 June 1898 – 15 August 1941) was a German spy and the last person to be executed at the Tower of London. He was captured shortly after parachuting into the United Kingdom during the Second World War. Convicted of espionage unde ...
was a Nazi spy who parachuted into Great Britain in 1941 and was executed for espionage. In modern times, many people convicted of espionage have been given penal sentences rather than execution. For example, Aldrich Hazen Ames is an American CIA analyst, turned KGB mole, who was convicted of espionage in 1994; he is serving a life sentence without the possibility of parole in the high-security Allenwood U.S. Penitentiary. ''(Search result)'' Ames was formerly a 31-year
CIA The Central Intelligence Agency (CIA ), known informally as the Agency and historically as the Company, is a civilian foreign intelligence service of the federal government of the United States, officially tasked with gathering, processing, ...
counterintelligence Counterintelligence is an activity aimed at protecting an agency's intelligence program from an opposition's intelligence service. It includes gathering information and conducting activities to prevent espionage, sabotage, assassinations or ot ...
officer and analyst who committed espionage against his country by spying for the Soviet Union and
Russia Russia (, , ), or the Russian Federation, is a transcontinental country spanning Eastern Europe and Northern Asia. It is the largest country in the world, with its internationally recognised territory covering , and encompassing one-eight ...
. So far as it is known, Ames compromised the second-largest number of CIA agents, second only to Robert Hanssen, who is also serving a prison sentence.


Use against non-spies

Espionage laws are also used to prosecute non-spies. In the United States, the Espionage Act of 1917 was used against socialist politician
Eugene V. Debs Eugene Victor "Gene" Debs (November 5, 1855 – October 20, 1926) was an American socialist, political activist, trade unionist, one of the founding members of the Industrial Workers of the World (IWW), and five times the candidate of the Soc ...
(at that time the Act had much stricter guidelines and amongst other things banned speech against military recruiting). The law was later used to suppress publication of periodicals, for example of Father Coughlin in World War II. In the early 21st century, the act was used to prosecute whistleblowers such as
Thomas Andrews Drake Thomas Andrews Drake (born 1957) is a former senior executive of the National Security Agency (NSA), a decorated United States Air Force and United States Navy veteran, and a whistleblower. In 2010, the government alleged that Drake mishandled doc ...
, John Kiriakou, and Edward Snowden, as well as officials who communicated with journalists for innocuous reasons, such as Stephen Jin-Woo Kim. , India and Pakistan were holding several hundred prisoners of each other's country for minor violations like trespass or visa overstay, often with accusations of espionage attached. Some of these include cases where Pakistan and India both deny citizenship to these people, leaving them stateless. The BBC reported in 2012 on one such case, that of Mohammed Idrees, who was held under Indian police control for approximately 13 years for overstaying his 15-day visa by 2–3 days after seeing his ill parents in 1999. Much of the 13 years were spent in prison waiting for a hearing, and more time was spent homeless or living with generous families. The Indian People's Union for Civil Liberties and Human Rights Law Network both decried his treatment. The BBC attributed some of the problems to tensions caused by the Kashmir conflict.


Espionage laws in the UK

Espionage is illegal in the UK under the Official Secrets Acts of 1911 and 1920. The UK law under this legislation considers espionage as "concerning those who intend to help an enemy and deliberately harm the security of the nation". According to MI5, a person commits the offence of 'spying' if they, "for any purpose prejudicial to the safety or interests of the State": approaches, enters or inspects a prohibited area; makes documents such as plans that are intended, calculated, or could directly or indirectly be of use to an enemy; or "obtains, collects, records, or publishes, or communicates to any other person any secret official code word, or password, or any sketch, plan, model, article, or note, or other document which is calculated to be or might be or is intended to be directly or indirectly useful to an enemy". The illegality of espionage also includes any action which may be considered 'preparatory to' spying, or encouraging or aiding another to spy. Under the penal codes of the UK, those found guilty of espionage are liable to imprisonment for a term of up to 14 years, although multiple sentences can be issued.


Government intelligence laws and its distinction from espionage

Government intelligence is very much distinct from espionage, and is not illegal in the UK, providing that the organisations of individuals are registered, often with the ICO, and are acting within the restrictions of the Regulation of Investigatory Powers Act (RIPA). 'Intelligence' is considered legally as "information of all sorts gathered by a government or organisation to guide its decisions. It includes information that may be both public and private, obtained from much different public or secret sources. It could consist entirely of information from either publicly available or secret sources, or be a combination of the two." However, espionage and intelligence can be linked. According to the MI5 website, "foreign intelligence officers acting in the UK under diplomatic cover may enjoy immunity from prosecution. Such persons can only be tried for spying (or, indeed, any criminal offence) if diplomatic immunity is waived beforehand. Those officers operating without diplomatic cover have no such immunity from prosecution". There are also laws surrounding government and organisational intelligence and surveillance. Generally, the body involved should be issued with some form of warrant or permission from the government and should be enacting their procedures in the interest of protecting national security or the safety of public citizens. Those carrying out intelligence missions should act within not only RIPA but also the Data Protection Act and Human Rights Act. However, there are spy equipment laws and legal requirements around intelligence methods that vary for each form of intelligence enacted.


War

In war, espionage is considered permissible as many nations recognize the inevitability of opposing sides seeking intelligence each about the dispositions of the other. To make the mission easier and successful,
combatant Combatant is the legal status of an individual who has the right to engage in hostilities during an armed conflict. The legal definition of "combatant" is found at article 43(2) of Additional Protocol I (AP1) to the Geneva Conventions of 1949. I ...
s wear
disguise A disguise can be anything which conceals or changes a person's physical appearance, including a wig, glasses, makeup, fake moustache, costume or other items. Camouflage is a type of disguise for people, animals and objects. Hats, glasses, c ...
s to conceal their true identity from the enemy while penetrating enemy lines for intelligence gathering. However, if they are caught behind enemy lines in disguises, they are not entitled to
prisoner-of-war A prisoner of war (POW) is a person who is held captive by a belligerent power during or immediately after an armed conflict. The earliest recorded usage of the phrase "prisoner of war" dates back to 1610. Belligerents hold prisoners of war ...
status and subject to
prosecution A prosecutor is a legal representative of the prosecution in states with either the common law adversarial system or the Civil law (legal system), civil law inquisitorial system. The prosecution is the legal party responsible for presenting the ...
and punishment—including execution. The Hague Convention of 1907 addresses the status of wartime spies, specifically within "Laws and Customs of War on Land" (Hague IV); October 18, 1907: CHAPTER II Spies". Article 29 states that a person is considered a spy who, acts clandestinely or on false pretences, infiltrates enemy lines with the intention of acquiring intelligence about the enemy and communicate it to the
belligerent A belligerent is an individual, group, country, or other entity that acts in a hostile manner, such as engaging in combat. The term comes from the Latin ''bellum gerere'' ("to wage war"). Unlike the use of ''belligerent'' as an adjective meaning ...
during times of war. Soldiers who penetrate enemy lines in proper uniforms for the purpose of acquiring intelligence are not considered spies but are
lawful combatants Combatant is the legal status of an individual who has the right to engage in hostilities during an armed conflict. The legal definition of "combatant" is found at article 43(2) of Additional Protocol I (AP1) to the Geneva Conventions of 1949. I ...
entitled to be treated as prisoners of war upon capture by the enemy. Article 30 states that a spy captured behind enemy lines may only be punished following a trial. However, Article 31 provides that if a spy successfully rejoined his own military and is then captured by the enemy as a lawful combatant, he cannot be punished for his previous acts of espionage and must be treated as a prisoner of war. Note that this provision does not apply to citizens who committed treason against their own country or co-belligerents of that country and may be captured and prosecuted at any place or any time regardless whether he rejoined the military to which he belongs or not or during or after the war. The ones that are excluded from being treated as spies while behind enemy lines are escaping prisoners of war and downed
airmen An airman is a member of an air force or air arm of a nation's armed forces. In certain air forces, it can also refer to a specific enlisted rank. An airman can also be referred as a soldier in other definitions. In civilian aviation usage, t ...
as
international law International law (also known as public international law and the law of nations) is the set of rules, norms, and standards generally recognized as binding between states. It establishes normative guidelines and a common conceptual framework for ...
distinguishes between a disguised spy and a disguised escaper. It is permissible for these groups to wear enemy uniforms or civilian clothes in order to facilitate their escape back to friendly lines so long as they do not attack enemy forces, collect military intelligence, or engage in similar military operations while so disguised. Soldiers who are wearing enemy uniforms or civilian clothes simply for the sake of warmth along with other purposes rather than engaging in espionage or similar military operations while so attired are also excluded from being treated as unlawful combatants.
Saboteurs Sabotage is a deliberate action aimed at weakening a polity, effort, or organization through subversion, obstruction, disruption, or destruction. One who engages in sabotage is a ''saboteur''. Saboteurs typically try to conceal their identitie ...
are treated as spies as they too wear disguises behind enemy lines for the purpose of waging destruction on an enemy's vital targets in addition to intelligence gathering. For example, during World War II, eight German agents entered the U.S. in June 1942 as part of Operation Pastorius, a sabotage mission against U.S. economic targets. Two weeks later, all were arrested in civilian clothes by the
FBI The Federal Bureau of Investigation (FBI) is the domestic intelligence and security service of the United States and its principal federal law enforcement agency. Operating under the jurisdiction of the United States Department of Justice, t ...
thanks to two German agents betraying the mission to the U.S. Under the Hague Convention of 1907, these Germans were classified as spies and tried by a
military tribunal Military justice (also military law) is the legal system (bodies of law and procedure) that governs the conduct of the active-duty personnel of the armed forces of a country. In some nation-states, civil law and military law are distinct bodi ...
in
Washington D.C. ) , image_skyline = , image_caption = Clockwise from top left: the Washington Monument and Lincoln Memorial on the National Mall, United States Capitol, Logan Circle, Jefferson Memorial, White House, Adams Morgan, N ...
On August 3, 1942, all eight were found guilty and sentenced to death. Five days later, six were executed by
electric chair An electric chair is a device used to execute an individual by electrocution. When used, the condemned person is strapped to a specially built wooden chair and electrocuted through electrodes fastened on the head and leg. This execution method, ...
at the District of Columbia jail. Two who had given evidence against the others had their sentences reduced by President
Franklin D. Roosevelt Franklin Delano Roosevelt (; ; January 30, 1882April 12, 1945), often referred to by his initials FDR, was an American politician and attorney who served as the 32nd president of the United States from 1933 until his death in 1945. As th ...
to prison terms. In 1948, they were released by President Harry S. Truman and deported to the American Zone of occupied Germany. The U.S. codification of enemy spies is Article 106 of the
Uniform Code of Military Justice The Uniform Code of Military Justice (UCMJ, 10 U.S.C. §§ 801–946 is the foundation of military law in the United States. It was established by the United States Congress in accordance with the authority given by the United States Constitution ...
. This provides a mandatory death sentence if a person captured in the act is proven to be "lurking as a spy or acting as a spy in or about any place, vessel, or aircraft, within the control or jurisdiction of any of the armed forces, or in or about any shipyard, any manufacturing or industrial plant, or any other place or institution engaged in work in aid of the prosecution of the war by the United States, or elsewhere".


Spy fiction

Spies have long been favorite topics for novelists and filmmakers. An early example of espionage literature is '' Kim'' by the English novelist Rudyard Kipling, with a description of the training of an intelligence agent in the Great Game between the UK and
Russia Russia (, , ), or the Russian Federation, is a transcontinental country spanning Eastern Europe and Northern Asia. It is the largest country in the world, with its internationally recognised territory covering , and encompassing one-eight ...
in 19th century Central Asia. An even earlier work was James Fenimore Cooper's classic novel, '' The Spy,'' written in 1821, about an American spy in New York during the Revolutionary War. During the many 20th-century spy scandals, much information became publicly known about national spy agencies and dozens of real-life secret agents. These sensational stories piqued public interest in a profession largely off-limits to human interest news reporting, a natural consequence of the secrecy inherent in their work. To fill in the blanks, the popular conception of the secret agent has been formed largely by 20th and 21st-century fiction and film. Attractive and sociable real-life agents such as Valerie Plame find little employment in serious fiction, however. The fictional secret agent is more often a loner, sometimes amoral—an
existential Existentialism ( ) is a form of philosophical inquiry that explores the problem of human existence and centers on human thinking, feeling, and acting. Existentialist thinkers frequently explore issues related to the meaning, purpose, and valu ...
hero operating outside the everyday constraints of society. Loner spy personalities may have been a stereotype of convenience for authors who already knew how to write loner private investigator characters that sold well from the 1920s to the present.
Johnny Fedora Johnny Fedora is a fictional British secret agent who was the protagonist of 16 novels published between 1951 and 1971. Written by Shaun Lloyd McCarthy, under the pseudonym of Desmond Cory, Fedora was dubbed by literary critics as the 'thinking m ...
achieved popularity as a fictional agent of early
Cold War espionage Cold War espionage describes the intelligence gathering activities during the Cold War ( 1947–1991) between the Western allies (primarily the US and Western Europe) and the Eastern Bloc (primarily the Soviet Union and allied countries of the W ...
, but James Bond is the most commercially successful of the many spy characters created by intelligence insiders during that struggle. Other fictional agents include Le Carré's George Smiley, and Harry Palmer as played by Michael Caine. Jumping on the spy bandwagon, other writers also started writing about spy fiction featuring female spies as protagonists, such as '' The Baroness'', which has more graphic action and sex, as compared to other novels featuring male protagonists. Spy fiction has permeated the video game world as well, in games such as '' Perfect Dark'', '' GoldenEye 007'', ''
No One Lives Forever ''The Operative: No One Lives Forever'' (abbreviated as ''NOLF'') is a first-person shooter video game with stealth gameplay elements, developed by Monolith Productions and published by Fox Interactive, released for Windows in 2000. The game w ...
'', and the ''Metal Gear'' series. Espionage has also made its way into comedy depictions. The 1960s TV series '' Get Smart'', the 1983 Finnish film '' Agent 000 and the Deadly Curves'', and '' Johnny English'' film trilogy portrays an inept spy, while the 1985 movie ''
Spies Like Us ''Spies Like Us'' is a 1985 American spy comedy film directed by John Landis, and starring Chevy Chase, Dan Aykroyd, Steve Forrest and Donna Dixon. The film presents the comic adventures of two novice intelligence agents sent to the Soviet ...
'' depicts a pair of none-too-bright men sent to the Soviet Union to investigate a missile. The historical novel ''The Emperor and the Spy'' highlights the adventurous life of U.S. Colonel Sidney Forrester Mashbir, who during the 1920s and 1930s attempted to prevent war with Japan, and when war did erupt, he became General MacArthur's top advisor in the Pacific Theater of World War Two. Black Widow is also a fictional agent who was introduced as a
Russia Russia (, , ), or the Russian Federation, is a transcontinental country spanning Eastern Europe and Northern Asia. It is the largest country in the world, with its internationally recognised territory covering , and encompassing one-eight ...
n spy, an antagonist of the superhero Iron Man. She later became an agent of the fictional spy agency S.H.I.E.L.D. and a member of the superhero team the
Avengers Avenger, Avengers, The Avenger, or The Avengers may refer to: Arts and entertainment In the Marvel Comics universe * Avengers (comics), a team of superheroes **Avengers (Marvel Cinematic Universe), a central team of protagonist superheroes of ...
.


See also

* MI5 * Federal Bureau of Investigation *
Central Intelligence Agency The Central Intelligence Agency (CIA ), known informally as the Agency and historically as the Company, is a civilian foreign intelligence service of the federal government of the United States, officially tasked with gathering, processing, ...
* Detective * Special agent * Undercover operation * American espionage in China *
Chinese espionage in the United States The United States has often accused the government of 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. companiesFinkle, J. Menn, J., Viswanat ...
*
Clandestine operation A clandestine operation is an intelligence or military operation carried out in such a way that the operation goes unnoticed by the general population or specific enemy forces. Until the 1970s, clandestine operations were primarily political in ...
* Foreign agent * Intelligence assessment * History of Soviet espionage * Human intelligence (intelligence gathering) *
List of intelligence agencies This is a list of intelligence agencies by country. It includes only currently operational institutions. An intelligence agency is a government agency responsible for the collection, analysis, and exploitation of information in support of law e ...
*
List of intelligence gathering disciplines This is a list of intelligence gathering disciplines. HUMINT Human intelligence (HUMINT) are gathered from a person in the location in question. Sources can include the following: * Advisors or foreign internal defense (FID) personnel wor ...
*
Military intelligence Military intelligence is a military discipline that uses information collection and analysis approaches to provide guidance and direction to assist commanders in their decisions. This aim is achieved by providing an assessment of data from ...
*
Spying on United Nations leaders by United States diplomats Spying on United Nations leaders by United States diplomats was confirmed by a 2009 confidential directive from the United States Department of State directly instructing US diplomats to spy on top officials of the United Nations. The intelligence i ...


References


Citations


Works cited

* *


Further reading

* Aldrich, Richard J., and Christopher Andrew, eds. ''Secret Intelligence: A Reader'' (2nd ed. 2018); focus on the 21st century; reprints 30 essays by scholars
excerpt
* Andrew, Christopher, ''The Secret World: A History of Intelligence'', 2018. * Burnham, Frederick Russell, ''Taking Chances'', 1944. * Felix, Christopher seudonym for James McCarger ''A Short Course in the Secret War, 4th Edition''. Madison Books, November 19, 2001. * Friedman, George. ''America's Secret War: Inside the Hidden Worldwide Struggle Between the United States and Its Enemies'' 2005 *
Gopnik, Adam Adam Gopnik (born August 24, 1956) is an American writer and essayist. He is best known as a staff writer for ''The New Yorker,'' to which he has contributed non-fiction, fiction, memoir, and criticism since 1986. He is the author of nine books ...
, "Spy vs. Spy vs. Spy: How valuable is espionage?", '' The New Yorker'', 2 September 2019, pp. 53–59. "There seems to be a paranoid paradox of espionage: the better your intelligence, the dumber your conduct; the more you know, the less you anticipate.... Hard-won information is ignored or wildly misinterpreted.... thappens again and again
hat A hat is a head covering which is worn for various reasons, including protection against weather conditions, ceremonial reasons such as university graduation, religious reasons, safety, or as a fashion accessory. Hats which incorporate mecha ...
a seeming national advance in intelligence is squandered through cross-bred confusion, political rivalry, mutual bureaucratic suspicions, intergovernmental competition, and fear of the press (as well as leaks to the press), all seasoned with dashes of sexual jealousy and adulterous intrigue." (p. 54.) * Jeffreys-Jones, Rhodri. ''In Spies, We Trust: The Story of Western Intelligence'' (2013), covers U.S. and Britain * Jenkins, Peter. ''Surveillance Tradecraft: The Professional's Guide to Surveillance Training'' * Kahn, David, ''The Codebreakers: The Comprehensive History of Secret Communication from Ancient Times to the Internet'', 1996 revised edition. First published 1967. * Keegan, John, ''Intelligence in War: Knowledge of the Enemy from Napoleon to Al-Qaeda'', 2003. * Knightley, Phillip, ''The Second Oldest Profession: Spies and Spying in the Twentieth Century'', Norton, 1986. * Lerner, Brenda Wilmoth & K. Lee Lerner, eds. ''Terrorism: essential primary sources'' Thomas Gale 2006 * Lerner, K. Lee and Brenda Wilmoth Lerner, eds. ''Encyclopedia of Espionage, Intelligence and Security'' (2003), worldwide recent coverage 1100 pages. * May, Ernest R. (ed.). ''Knowing One's Enemies: Intelligence Assessment Before the Two World Wars'' (1984). * O'Toole, George. ''Honorable Treachery: A History of U.S. Intelligence, Espionage, Covert Action from the American Revolution to the CIA'' 1991 * Murray, Williamson, and Allan Reed Millett, eds. ''Calculations: net assessment and the coming of World War II'' (1992). * Owen, David. ''Hidden Secrets: A Complete History of Espionage and the Technology Used to Support It'' * Richelson, Jeffery T. ''A Century of Spies: Intelligence in the Twentieth Century'' (1977) * Richelson, Jeffery T. ''The U.S. Intelligence Community'' (1999, fourth edition) * Smith, W. Thomas Jr. ''
Encyclopedia of the Central Intelligence Agency ''Encyclopedia of the Central Intelligence Agency'' is a 2003 book by W. Thomas Smith Jr. It is an encyclopedic work on the Central Intelligence Agency (CIA), the only independent agency of the United States federal government that is tasked wit ...
'' (2003) * Tuchman, Barbara W., ''The Zimmermann Telegram'', New York, Macmillan, 1962. * Warner, Michael. ''The Rise and Fall of Intelligence: An International Security History'' (2014) * Zegart, Amy B. ''Spies, Lies, and Algorithms: The History and Future of American Intelligence'' (2022), university textbook
online reviews


External links



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