intelligence agency, intelligence service, intelligence - a unit responsible for gathering and interpreting information about an enemy

Canadian Security Intelligence Service, CSIS - Canada's main foreigh intelligence agency that gathers and analyzes information to provide security intelligence for the Canadian government

Central Intelligence Machinery, CIM - the United Kingdom's central unit for the tasking and coordination and resourceing of intelligence and security agencies

Communications Security Establishment, CSE - Canadian agency that gathers communications intelligence and assist law enforcement and security agencies

CISC, Criminal Intelligence Services of Canada - an agency of the Canadian government that unifies the intelligence units of Canadian law enforcement agencies

Directorate for Inter-Services Intelligence, Inter-Services Intelligence, ISI - the Pakistan intelligence agency; a powerful and almost autonomous political and military force; has procured nuclear technology and delivery capabilities; has had strong ties with the Taliban and other militant Islamic groups

Foreign Intelligence Service, Sluzhba Vneshney Razvedki, SVR - Russia's intelligence service responsible for foreign operations, intelligence-gathering and analysis, and the exchange of intelligence information; collaborates with other countries to oppose proliferation of weapons of mass destruction, terrorism and organized crime

International Relations and Security Network, ISN - Switzerland's information network for security and defense studies and for peace and conflict research and for international relations

IIS, Iraqi Intelligence Service, Iraqi Mukhabarat - the most notorious and possibly the most important arm of Iraq's security system; "the Iraqi Mukhabarat has been involved in numerous terrorist activities"

A'man - the Israeli military intelligence which produces comprehensive national intelligence briefings for the prime minister and the cabinet

Mossad - the Israeli foreign intelligence agency; "the primary focus of the Mossad is on Arab nations"

Military Intelligence Section 6, Secret Intelligence Service, MI - the government agency in the United Kingdom that is responsible for internal security and counterintelligence overseas

Security Intelligence Review Committee, SIRC - an agency of the Canadian government that oversees the activities of the Criminal Intelligence Services of Canada and has the power to intrude on the privacy of suspected terrorists or spies

Military Intelligence Section 5, Security Service, MI - the government agency in the United Kingdom that is responsible for internal security and counterintelligence on British territory

General Security Services, Shin Bet - the Israeli domestic counterintelligence and internal security agency; "the Shin Bet also handles overall security for Israel's national airline"