A thought provoking documentary feature film providing a comprehensive exploration of the evolution of signals intelligence over the past century. Whether you're intrigued by the secretive world of intelligence agencies or concerned about the implications of digital surveillance, this film will leave you with a deeper understanding of the role signals intelligence plays in society.

• triptik films
• CE Films
• Richard Aldrich
• Jim Beach
• Pat Davies
• Tessa Dunlop
• David Easter
• John Ferris
• Adam Forty
• Paul Gannon