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By Ferris John
John Ferris, 2021
For a century, GCHQ, the Government Communications Headquarters, has been central to national security and British statecraft. This book presents the first authorised history of the organisation, detailing its crucial role in wartime codebreaking, including during the Second World War, the Falklands War, and the Cold War. Today, GCHQ remains the UK's leading intelligence, security, and cyber agency, addressing contemporary threats like terrorism and online crime. Based on unprecedented access to classified archives, this volume explores the agency's past and its future significance.