SIGINT

'SIGINT is a fascinating account of what Allied investigators learned postwar about the Nazi equivalent of Bletchley Park. Turns out, 60,000 crptographers, analysts and linguists achieved considerable success in solving intercepted traffic, and even broke the Swiss Enigma! Based on recently declassifed NSA document, this is a great contribution to the literature.' - The St Ermin's Hotel Intelligence Book of the Year Award 2014 Signals Intelligence, or SIGINT , is the interception and evaluation