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Behind the Enigma: The authorised history of GCHQ Britain’s secret cyber intelligence agency
Author: John Ferris
Publisher: Simon & Schuster
Publisher: Simon & Schuster
Pages: 823
Price: Rs 999
The acquisition, and analysis of signals intelligence and communications intelligence — information and data sieved out of intercepted communications — can provide a decisive edge “in a large minority of cases” according to the author. Humint — the acquisition of intelligence by humans — has been far more glamorised in countless books and films. But signals intelligence and communications Intelligence — Sigint and Comint— is more reliable, and 99.9 per cent of modern intelligence acquisition falls into this
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