Whistleblower filmed for fly-on-the-wall account of tense days following NSA revelations

Glenn Greenwald says Europeans must defend online privacy rather than wait for Irish Government intervention

Palantir is under pressure to go public, but would such a move interfere with its lofty ideals?

There’s huge variety and energy in the events and activites you can enjoy around the country. Just don’t forget your culottes

South By Southwest Interactive is now much more than a technology festival. The thousands of delegates who come to the heart of Texas are searching for new ideas and perspectives

Opinion: The UK government has yet to offer evidence that stories published on back of Snowden material endangered life

Partner of journalist who reported Snowden leaks had items seized under anti-terrorism laws

Key official tells CBS ‘it’s worth having a conversation’ about Snowden return

Spanish spy chief called before Congress for explanation over latest allegations

Investigative journalist promises further NSA spying revelations

Snowden document showed US intercepted 3m French calls daily

Details of venture will be announced soon, says NSA leaks reporter

Authorities demand answers from US

Revelation could strain US relations with the two biggest countries in Latin America

Opinion: What happened to David Miranda shows what could happen to any of us

Report says telephone calls, emails and internet traffic being intercepted and shared with US

British MPs heading for confrontation following controversy over detention of David Miranda

Threat of legal action by UK government led senior editor and computer expert to pulverise equipment with angle grinders