Supporters gather at a rally in Manhattan's Union Square in support of whistleblower Edward Snowden. Photograph: Mario Tama/Getty

The revelations over the past week about the scale of NSA surveillance of global digital communications is likely to be seen as a pivotal moment in th(...)

Microsoft and Twitter have joined calls by Google and Facebook to be able to publish more detail about how many secret requests they receive to hand o(...)

US president Barack Obama and Chinese president Xi Jinping walk the grounds at the Annenberg Retreat at Sunnylands in Rancho Mirage in California on Saturday. Photograph: Reuters/Kevin Lamarque

The acid that corroded George W Bush’s presidency was fear – spreading it and succumbing to it. You could see the fear in his eyes, the fear that froz(...)

US president Barack Obama walks to his limousine in Los Angeles before traveling to a fundraiser at a private residence in Santa Monica on Friday. Mr Obama has defended government efforts to gather telephone and Internet data, and sought to reassure Americans that his administration was not listening in on their calls.  Photograph: Christopher Gregory/ The New York Times

When US government officials came to Silicon Valley to demand easier ways for the world’s largest Internet companies to turn over user data as part of(...)

US president Barack Obama pauses while speaking in San José, California yesterday. The president defended his government’s secret surveillance, saying Congress has repeatedly authorised the collection of US phone records and US internet use. Photograph: AP Photo/Evan Vucci

US president Barack Obama has defended top-secret US spying operations to collect information on phone calls of Americans and the internet activity of(...)