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SOUD, standing for System of Joint Acquisition of Enemy Data was a computerized intelligence exchange system where information acquired by the intelligence and security agencies from participating Warshaw pact countries was stored.[1]

The intelligence exchange organization was founded in 1977, and its initial goal was to safeguard the USSR from 'foreign threats' during the 1980 Olympics in Moscow. Stasi engineers conceived the system using stolen Western technology, and it was operational in 1979. Its main computer was based in Moscow, the input language was Russian and the Russians had control over access to the system.[2] Nevertheless, the Stasi was the foremost contributor of the intelligence exchange system, with around a quarter of the entries submitted, followed only by the KGB. Other members of SOUD were Bulgaria, Hungary, Poland, Czechoslovakia, Mongolia and Cuba. They were later joined by Vietnam.

Because of the boycott of the Summer Olympics of 1980, most of the potential threats didn't materialise, but the system remained operational. Its databases include names of agents, zionists, hostile religious organisations, organisations of emigrants, journalists, diplomats, cultural and commercial attachés, representatives of airlines, etc. etc. Information found in Stasi documents reveals that in 1989 more than 11,100 names were collected. Most of them included a personal description, the maiden name of the mother and a sample of the handwriting. A query could be handled in less than 4 hours time.


  1. ^ Koehler 2000, p. 80
  2. ^ Schmeidel 2007, p. 115


  • Koehler, John O. (2000), Stasi: the untold story of the East German secret police, Westview Press, ISBN 0-8133-3744-5 
  • Schmeidel, John C. (2007), Stasi: Shield and Sword of the Party, ISBN 0203018419