Intelligence agencyAn intelligence agency is a government agency responsible for the collection, analysis, and exploitation of information in support of law enforcement, national security, military, public safety, and foreign policy objectives. Means of information gathering are both overt and covert and may include espionage, communication interception, cryptanalysis, cooperation with other institutions, and evaluation of public sources.
Intelligence fieldCollection of people and organizations dedicated to intelligenceThe intelligence field, also known as the intelligence business, the intelligence establishment, the intelligence complex, the intelligence industry, the field of intelligence, or the business of intelligence is the global industry revolving around intelligence in all of its forms.
Federal Bureau of InvestigationU.S. federal law enforcement agencyLaw enforcement agencyThe Federal Bureau of Investigation (FBI) is the domestic intelligence and security service of the United States and its principal federal law enforcement agency. An agency of the United States Department of Justice, the FBI is a member of the U.S. Intelligence Community and reports to both the attorney general and the director of national intelligence.Canadian Security Intelligence ServiceThe Canadian Security Intelligence Service (CSIS, ; French: Service canadien du renseignement de sécurité, SCRS) is a foreign intelligence service and security agency of the federal government of Canada. It is responsible for gathering, processing, and analyzing national security information from around the world and conducting covert action within Canada and abroad.
EspionageEspionage, spying, or intelligence gathering, as a subfield of the intelligence field, is the act of obtaining secret, confidential, or in some way valuable information. Such information is also referred to as intelligence. A professional trained in conducting intelligence operations by their government may be employed as an intelligence officer. Espionage may be conducted in a foreign country, domestically or remotely.
MI5The Security Service, commonly known as MI5 (Military Intelligence, Section 5), is the United Kingdom's domestic counter-intelligence and security agency and is part of its intelligence machinery alongside the Secret Intelligence Service (MI6), Government Communications Headquarters (GCHQ), and Defence Intelligence (DI). MI5 is directed by the Joint Intelligence Committee (JIC), and the service is bound by the Security Service Act 1989.Human intelligence (intelligence gathering)Human intelligence (HUMINT, pronounced ) is intelligence-gathering by means of human sources and interpersonal communication. It is distinct from more technical intelligence-gathering disciplines, such as signals intelligence (SIGINT), imagery intelligence (IMINT) and measurement and signature intelligence (MASINT). HUMINT can be conducted in a variety of ways, including via espionage, reconnaissance, interrogation, and witness interviews.
PoliceThe police are a constituted body of people empowered by a state with the aim of enforcing the law and protecting the public order as well as the public itself. This commonly includes ensuring the safety, health, and possessions of citizens, and to prevent crime and civil disorder. Their lawful powers encompass arrest and the use of force legitimized by the state's monopoly on violence.
CounterterrorismActivity to defend against or prevent terrorist actions Part of a series onCounterterrorism and Countering violent extremism Methods and approaches Deradicalization Government orgs Counter Terrorism Centre Counterterrorism Mission Center National Counter Terrorism Centre Countering Violent Extremism Task Force National Counterterrorism Center US House Subcommittee Bureau of Counterterrorism CTFD US Senate Subcommittee Counter Terrorism Policing United Nations Office of Counter-Terrorism UN CTITF Individual Offices Coordinator for Counterterrorism Independent Reviewer Systems National Terrorism Advisory System War on terror Terrorist Finance Tracking Program Schools and institutes Combating Terrorism Center CTEC Chicago Project on Security and Threats INSCT START Handa Centre Think tanks International Centre for Counter-Terrorism Terrorism Research Center International Institute for Counter-Terrorism Global Internet Forum to Counter Terrorism Jamestown Foundation Uppsala Conflict Data Program Counter Extremism Project The Investigative Project on Terrorism Intelligence and Terrorism Information Center Global efforts Counterterrorism in China Counterterrorism in Australia Counter-terrorism in Singapore Counter-terrorism in Malaysia Counterterrorism in Colombia Counterterrorism in Argentina Counterterrorism in Canada Counterterrorism in Azerbaijan Legislation Anti-terrorism legislation Incitement Incitement to terrorism Terrorism insurance Executive Order 13224 Anti-Terrorism Act of 2020 vte GIGN operators in 2015.
SabotageAftermath of the 1995 Palo Verde, Arizona, derailment, an act of sabotage.Sabotage is a deliberate action aimed at weakening a polity, government, effort, or organization through subversion, obstruction, demoralization, destabilization, division, disruption, or destruction. One who engages in sabotage is a saboteur.
MI6British foreign intelligence agencyThe Secret Intelligence Service (SIS), commonly known as MI6 (Military Intelligence, Section 6), 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.
AssassinationWillful killing of a prominent personDepiction of the assassination of Abraham Lincoln shown in the presidential booth of Ford's Theatre. From left to right: assassin John Wilkes Booth, Abraham Lincoln, Mary Todd Lincoln, Clara Harris, and Henry Rathbone.Assassination is the willful killing, by a sudden or secret attack, of a person—especially a prominent or important one—typically for political, social, or ideological reasons.*As an Amazon Associate I earn from qualifying purchases.