Read a transcript of this episode on FT.comhttps://www.ft.com/content/402578f3-6ad6-45f8-8340-cb1e809fe95bIn this special interview, Sir Jeremy Fleming, head of the UK signals intelligence agency GCHQ, talks to FT editor Roula Khalaf and FT correspondent Helen Warrell about cyber threats from China and other state actors, the global competition for data and the "Snowden effect" on spy agencies.Clips: IISS, NBC See acast.com/privacy for privacy and opt-out information.