English version

security service

From Longman Dictionary of Contemporary English
Related topics: Government
security serviceseˈcurity ˌservice noun [countable]  PGa government organization that protects a country’s secrets against enemy countries, or protects the government against attempts to take away its power
Examples from the Corpus
security serviceSecurity September 1990: Leaders of Communist international security service put on trial.His death was particularly shocking since there was considerable evidence that elements of the military security service were implicated in it.
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