Early phone encryption device revealed by British spymasters - but it really only worked for men.
Secret spy device was 'men only'
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Secret spy device was 'men only'
GCHQ in Cheltenham, England - the heart of the UK Intelligence Operations Source: AAP / GCHQ/PA
Early phone encryption device revealed by British spymasters - but it really only worked for men.
Published
By Gordon Corera (BBC)
Presented by Allan Lee
Source: SBS News
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