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A real-life political thriller telling the story of the individuals behind the most spectacular intelligence breach in history.
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The Director of Liberty will be in conversation with Guardian columnist Zoe Williams at the British Library to discuss her new book On Liberty and highlight the threats to our democratic institutions.
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NSA and GCHQ target Tor network that protects anonymity of web users
• Top-secret documents detail repeated efforts to crack Tor
• Tool is funded by US government and relied on by dissidents and activists
• Agencies have failed to break core security of network but have limited success in attacking users' computers
'Peeling back the layers of Tor with EgotisticalGiraffe' – read the document