English version

security clearance

From Longman Dictionary of Contemporary Englishsecurity clearanceseˈcurity ˌclearance noun [countable, uncountable]  LET/ALLOWofficial permission for someone to see secret documents etc, or to enter a building, after a strict checking process
Examples from the Corpus
security clearanceAnother son, Ron, is a Lockheed employee with a security clearance.In preparation for his job at Commerce, Huang received an interim security clearance while he was still working at Lippo.A visitor without security clearance must be signed for by the sponsor and accompanied at all times.
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