Possible Clues:

• Soviet espionage org
• Former Soviet spy org
• Red state org
• Illya Kuryakin's org. in the film 'The Man From U.N.C.L.E.'
• Putin’s employer in the 1980s
• Spy grp. until 1991
• U.S.S.R. intelligence org
• Spy org. that split up in 1991
• 'Bridge of Spies' org
• Yuri Andropov headed it for 15 years, in brief