Intelligence agencies in the context of "Intelligence analysis"

A secret society is an organization about which the activities, events, inner functioning, membership, and sometimes also existence, are concealed. The term usually excludes covert groups, such as intelligence agencies or guerrilla warfare insurgencies, that hide their activities and memberships but maintain a public presence.

Secret societies may be community-based or associated with colleges and universities. These societies exist in countries around the world.

Human intelligence (HUMINT, pronounced /ˈhjuːmɪnt/ HEW-mint) 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, witness interviews, or torture. Although associated with military and intelligence agencies, HUMINT can also apply in various civilian sectors such as law enforcement.

The Heckler & Koch MP5 (German: Maschinenpistole 5, lit. 'Submachine gun 5') is a submachine gun developed in the 1960s by German firearms manufacturer Heckler & Koch. It uses a similar modular design to the Heckler & Koch G3, and has over 100 variants and clones, including selective fire, semi-automatic, suppressed, compact, and even marksman variants. The MP5 is one of the most widely used submachine guns in the world, having been adopted by over forty nations and numerous militaries, police forces, intelligence agencies, security organizations, paramilitaries, and non-state actors.

Attempts at replacing the MP5 by Heckler & Koch began in the 1980s, but despite functional prototype weapons having promising performance, a formal successor did not enter commercial production until 1999, when Heckler & Koch developed the UMP. However, despite being more expensive, the MP5 remained the more successful of the two designs, because of its preexisting widespread use, design familiarity, and lower recoil due to its roller-delayed action as opposed to the UMP's straight blowback action.

Operation Gladio was the codename for clandestine "stay-behind" operations of armed resistance that were organized by the Western Union (WU; founded in 1948), and subsequently by NATO (formed in 1949), and by the CIA (established in 1947), in collaboration with several European intelligence agencies during the Cold War. Although Gladio specifically refers to the Italian branch of the NATO stay-behind organizations, Operation Gladio is used as an informal name for all of them. Stay-behind operations were prepared in many NATO member countries, and in some neutral countries.

According to several Western European researchers, the operation involved the use of assassination, psychological warfare, and false flag operations to delegitimize left-wing parties in Western European countries, and even went so far as to support anti-communist militias and right-wing terrorism as they tortured communists and assassinated them, such as Eduardo Mondlane in 1969. The United States Department of State rejected the view that they supported terrorists and maintains that the operation served only to resist a potential invasion of Western European countries by the Soviet Union.

Economic warfare or economic war is an economic strategy used by belligerent states with the goal of weakening the economy of other states. This is primarily achieved by the use of economic blockades. Ravaging the crops of the enemy is a classic method, used for thousands of years.

In military operations, economic warfare may reflect economic policy followed as a part of open or covert operations, cyber operations, information operations during or preceding a war. Economic warfare aims to capture or otherwise to control the supply of critical economic resources so friendly military and intelligence agencies can use them and enemy forces cannot.

India has a number of intelligence agencies, of which the best known are the Research and Analysis Wing (RAW), India's external intelligence agency, and the Intelligence Bureau (IB), the domestic intelligence agency, responsible for counter-intelligence, counter-terrorism and overall internal security.