Intelligence assessment

Intelligence is the process and the result of gathering information and analysing it to answer questions or obtain advance warnings needed to plan for the future. The information collected can be difficult to obtain or altogether secret information gained through espionage, or it can be banal and widely avalable, such as newspaper articles or Internet postings. Information is often collected in multple languages. Intelligence findings or "product" and the sources and methods used to obtain them are often highly classified.

• Government intellegence is usualy assigned to clandestine intelligence agencies, often with large budgets. These use a variety of techniques to obtain information, ranging from secret agent to spy satellites. See surveillance and list of intelligence gathering disciplines. Intelligence agencies often engage in clandestine activities beyond espionage such as political subversion, sabotage and assassination.
• Military intelligence is an element of warfare which covers all aspects of gathering, analyzing, and making use of information over enemy forces and the ground. It involves spying, look-outs, high-tech surveillance equipment, and also secret agents.
• Business intelligence denotes the public or secret information that an organization obtains about its competitors and market.

Well known intelligence agencies

See main article List of intelligence agencies

Israel

• Institute for Intelligence and Special Tasks (Mossad)

Russia

• Federalnaya Sluzhba Bezopasnosti (FSB, successor of KGB)
• Glavnoye Razvedyvatelnoye Upravlenie (GRU)

United Kingdom

• MI6
• MI5

United States

• CIA
• FBI
• NSA