Espionage, spying, or intelligence gathering is the act of obtaining secret or confidential information (intelligence). A person who commits espionage is called an espionage agent or spy. Any individual or spy ring, in the service of a government, company, criminal organization, or independent operation, can commit espionage. The practice is clandestine, 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.
MI5, officially the Security Service, 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. The service is directed to protect British parliamentary democracy and economic interests and to counter terrorism and espionage within the United Kingdom. Within the civil service community, the service is colloquially known as Box, or Box 500, after its official wartime address of PO Box 500; its current address is PO Box 3255, London SW1P 1AE.
The Defense Intelligence Agency (DIA) is an intelligence agency and combat support agency of the United States Department of Defense (DoD), specializing in defense and military intelligence.
Counterintelligence (counter-intelligence) or counterespionage (counter-espionage) is any 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 other intelligence activities conducted by, for, or on behalf of foreign powers, organizations or persons.
Mass surveillance is the intricate surveillance of an entire or a substantial fraction of a population in order to monitor that group of citizens. The surveillance is often carried out by local and federal governments or governmental organizations, but it may also be carried out by corporations. Depending on each nation's laws and judicial systems, the legality of and the permission required to engage in mass surveillance varies. It is the single most indicative distinguishing trait of totalitarian regimes. It is often distinguished from targeted surveillance.
A covert operation or undercover operation is a military or police operation involving a covert agent or troops acting under an assumed cover to conceal the identity of the party responsible.
The Intelligence Bureau is an intelligence and security agency in Pakistan, focused primarily on non-military intelligence. Established in 1947, the IB is Pakistan's oldest intelligence agency. It is led by the Director General, who is usually an officer from the Police Service of Pakistan.
A security agency is a governmental organization that conducts intelligence activities for the internal security of a state. They are the domestic cousins of foreign intelligence agencies, and typically conduct counterintelligence to thwart other countries' foreign intelligence efforts.
Security police usually describes a law enforcement agency which focuses primarily on providing security and law enforcement services to particular areas or specific properties. They may be employed by governmental, public, or private institutions. Security police are generally considered distinct from security guards as security police personnel typically hold some level of law enforcement authority. The exact powers held by security police vary widely between jurisdictions. Examples of these types of agencies include the United States' DoD Police and FBI Police, the Indian Central Industrial Security Force, and the British Civil Nuclear Constabulary.
A cover in foreign, military or police human intelligence or counterintelligence is the ostensible identity and/or role or position in an infiltrated organization assumed by a covert agent during a covert operation.
Law enforcement in Australia is one of the three major components of the country's justice system, along with courts and corrections. Law enforcement officers are employed by all three levels of government – federal, state/territory, and local.
Law enforcement in Hungary is split among the Police and Border Guards, and the Customs and Excise Authority. Since 2006, the Police has been subject to the Ministry of Justice, when the Ministry of Interior was re-structured to deal with Municipalities and Regional Development. Due to Hungary's accession to the Schengen Treaty, the Police and Border Guards were merged into a single national corps, with the Border Guards becoming Police Officers. This merger took place in January 2008. The Customs and Excise Authority remained to be subject to the Ministry of Finance.
High policing is a form of intelligence-led policing that serves to protect the national government or a conglomerate of national governments from internal threats; that is, any policing operations integrated into domestic intelligence gathering, national security, or international security operations for the purpose of protecting government.
The Security Intelligence Agency is a national security and intelligence agency of Serbia. The agency is responsible for collecting, reporting and disseminating intelligence, and conducting counterintelligence in the interest of Serbia's national security.
The National Investigation Agency (NIA) is a law enforcement agency in India, with specific focus on counter-terrorism. It is under the Ministry of Home Affairs. The primary mandate of the agency is to investigate and prosecute offences that have national and cross-border implications, specifically focusing on terrorism, insurgency, and other related matters. It is empowered to investigate cases that involve threats to the sovereignty, security, and integrity of India.
A counterintelligence state is a state where the state security service penetrates and permeates all societal institutions, including the military. The term has been applied by historians and political commentators to the former Soviet Union, the former German Democratic Republic, Cuba after the 1959 revolution, Iraq under Saddam Hussein, China under the Chinese Communist Party (CCP), and post-Soviet Russia under Vladimir Putin, especially since 2012.
National Police Corps, colloquially in English as Dutch National Police or National Police Force, is divided in ten regional units, two national units, the police academy, police services center, and national dispatch center cooperation. The law-enforcement purposes of these agencies are the investigation of suspected criminal activity, referral of the results of investigations to the courts, and the temporary detention of suspected criminals pending judicial action. Law enforcement agencies, to varying degrees at different levels of government and in different agencies, are also commonly charged with the responsibilities of deterring criminal activity and preventing the successful commission of crimes in progress. The police commissioner in the Netherlands is Janny Knol since March 1, 2024.
A law enforcement agency (LEA) is any government agency responsible for law enforcement within a specific jurisdiction through the employment and deployment of law enforcement officers and their resources. The most common type of law enforcement agency is the police, but various other forms exist as well, including agencies that focus on specific legal violation, or are organized and overseen by certain authorities. They typically have various powers and legal rights to allow them to perform their duties, such as the power of arrest and the use of force.
The use of electronic surveillance by the United Kingdom grew from the development of signal intelligence and pioneering code breaking during World War II. In the post-war period, the Government Communications Headquarters (GCHQ) was formed and participated in programmes such as the Five Eyes collaboration of English-speaking nations. This focused on intercepting electronic communications, with substantial increases in surveillance capabilities over time. A series of media reports in 2013 revealed bulk collection and surveillance capabilities, including collection and sharing collaborations between GCHQ and the United States' National Security Agency. These were commonly described by the media and civil liberties groups as mass surveillance. Similar capabilities exist in other countries, including western European countries.
The Government of the United Kingdom maintains several intelligence agencies that deal with secret intelligence. These agencies are responsible for collecting, analysing and exploiting foreign and domestic intelligence, providing military intelligence, and performing espionage and counter-espionage. Their intelligence assessments contribute to the conduct of the foreign relations of the United Kingdom, maintaining the national security of the United Kingdom, military planning, public safety, and law enforcement in the United Kingdom. The four main agencies are the Secret Intelligence Service, the Security Service (MI5), the Government Communications Headquarters (GCHQ) and Defence Intelligence (DI). The agencies are organised under three government departments, the Foreign Office, the Home Office and the Ministry of Defence.
