Top secret agencies in world

Top secret agencies around the world include the CIA (Central Intelligence Agency) in the United States, known for its foreign intelligence operations; MI6 (Secret Intelligence Service) in the UK, which focuses on overseas intelligence gathering; and the FSB (Federal Security Service) in Russia, responsible for domestic security and counterintelligence. These agencies operate with a high level of secrecy and are integral to national security, often engaging in covert operations and intelligence analysis. Other notable agencies include the Mossad in Israel and the NSA (National Security Agency) in the U.S., which specializes in signals intelligence.