Espionage or Spying involves an individual obtaining information that is considered secret or confidential without the permission of the holder of the information. Espionage is inherently clandestine, as the legitimate holder of the information may change plans or take other countermeasures once it is known that the information is in unauthorized hands. See clandestine HUMINT for the basic concepts of such information collection, and subordinate articles such as clandestine HUMINT operational techniques and clandestine HUMINT asset recruiting for discussions of the "tradecraft" used to collect this information.

History

Incidents of espionage are well documented throughout history. The ancient writings of Chinese and Indian military strategists such as Sun-Tzu and Chanakya contain information on deception and subversion. Chanakya's student Chandragupta Maurya, founder of the Maurya Empire in India, made use of assassinations, spies and secret agents, which are described in Chanakya's Arthasastra . The ancient Egyptians had a thoroughly developed system for the acquisition of intelligence, and the Hebrews used spies as well, as in the story of Rahab. Feudal Japan often used ninjas to gather intelligence. More recently, spies played a significant part in Elizabethan England (see Francis Walsingham). Many modern espionage methods were well established even then.

The Cold War involved intense espionage activity between the United States of America and its allies and the Soviet Union and the People's Republic of China and their allies, particularly related to nuclear weapons secrets. Recently, espionage agencies have targeted the illegal drug trade and those considered to be terrorists.

Different 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 and IMINT. Both Soviet political (KGB) and military intelligence (GRU) officers were judged by the number of agents they recruited.

Various forms

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, or the insistence of Robert Hanssen in never meeting the people to whom he was selling information.

The US defines espionage towards itself as "The act of obtaining, delivering, transmitting, communicating, or receiving information about the national defense 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. Espionage is a violation of United States law, 18 U.S.C. § 792–798 and Article 106 of the Uniform Code of Military Justice". 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.

Espionage is usually part of an institutional effort (i.e., governmental or corporate espionage), and the term is most readily associated with state spying on potential or actual enemies, primarily for military purposes, but this has been extended to spying involving corporations, known specifically as industrial espionage. Many nations routinely spy on both their enemies and allies, although they maintain a policy of not making comment on this. In addition to utilizing agencies within a government many also employ private companies to collect information on their behalf such as SCG International Risk and others. Black's Law Dictionary (1990) defines espionage as: "...gathering, transmitting, or losing...information related to the national defense".

While news media may speak of "spy satellites" and the like, espionage is not a synonym for all types of intelligence functions. It is a specific form of human source intelligence (HUMINT). Codebreaking (cryptanalysis or COMINT), aircraft or satellite photography (IMINT) and research in open publications (OSINT) are all intelligence gathering disciplines, but none of them are espionage. Not all HUMINT activities, such as interviewing prisoners, reports from military reconnaissance patrols and from diplomats, etc., are espionage.

A spy is a person employed to obtain such secrets. Within the US intelligence community, asset is a more common usage. A case officer, who may have diplomatic status (i.e., official cover or non-official cover) supports and directs the human collector. Cutouts are couriers who do not know the agent or case officer, but transfer messages. A safe house is a refuge for spies.

In larger networks, the organization can be complex, with many methods to avoid detection, including clandestine cell systems. Often the players have never met and are sometimes unaware that they are participating. This is often referred to as "the Tyson Effect", where important players are unaware of their own participation. See Clandestine HUMINT for details of the actual operations and people of espionage systems.

Case officers are stationed in foreign countries to recruit and supervise intelligence agents, who in turn spy on targets in their countries where they are assigned. A spy may or may not be an actual citizen of a target country. While the more common practice is to recruit a person already trusted with access to sensitive information, there are cases where a person may attempt to infiltrate a target organization, with a well-prepared synthetic identity for them, called a legend in tradecraft.

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).

Risks

The risks of espionage vary. A spy breaking the host country's laws may be deported, imprisoned, or even executed. A spy breaking his/her own country's laws can be imprisoned for espionage or/and treason, or even executed, as the Rosenbergs were. For example, when Aldrich Ames handed a stack of dossiers of 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 FBI, he faced life in prison; his contact, who had diplomatic immunity, was declared persona non grata and taken to the airport. Ames's 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.

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 needed to get agents into target countries to learn security routines around their targets. They also needed to arrange secure ways of transferring money.

Communications both are necessary to espionage and clandestine operations, and also a great vulnerability when the adversary has sophisticated SIGINT detection and interception capability.

See espionage organizations for national and non-national groups that conduct clandestine human operations, for any of a number of reasons: assessment of national capabilities at the strategic level, warning of the movements of security and military organizations; financial systems; protective measures around targets.

Spies in various conflicts

See also: Intelligence agency, Special Operations Executive, and United States government security breaches

Espionage under Elizabeth I of England

  • Sir Francis Walsingham

Espionage in the American Revolution

  • Nathan Hale
  • John Andre

Espionage in the Napoleonic Wars

  • William Wickham

Espionage in the American Civil War

One of the innovations in the American Civil War was the use of proprietary companies for intelligence collection. See Allan Pinkerton.

Espionage in the Second Boer War

  • Fritz Joubert Duquesne

Espionage in World War I

  • Fritz Joubert Duquesne
  • Jules C. Silber

Espionage in World War II

With a few notable exceptions, most espionage in World War II was conducted by "rings", or teams of agents.

  • Duquesne Spy Ring
  • Richard Sorge
  • Abwehr
  • Red Orchestra
  • Lucy Ring
  • Espionage turned: Double Cross System, Operation North Pole

Espionage technology and techniques

See also: Tradecraft and List of intelligence gathering disciplines
  • Agent Handling
  • Concealment device
  • Covert listening device
  • Cut-out
  • Cyber spying
  • Dead drop
  • False flag operations
  • Honeypot
  • Interrogation
  • Nonofficial cover (NOC)
  • Numbers messagi

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