NSA

US government suing former intelligence employee over new book

NSA notices warned staff about the dangers of everything from drugs to car-pooling

Online group threatens to auction best National Security Agency files to the highest bidder

US whistleblower pokes fun at former bosses on micro-blogging site

Intelligence agencies warn of threat to counter-terrorism operations, but privacy campaigners are unconvinced

Landmark ruling hailed as 'huge step' for individual Americans' rights, but the fight is far from over

While some at GCHQ and the NSA try to crack encrypted networks, others may be undoing their work

Agencies don't need 'concrete facts' to label individuals terrorists – so how are people watchlisted?

'Direct access pipes' let spooks listen in on Vodafone customers' conversations

Zuckerberg has often been accused of a lax attitude to internet privacy, but the NSA revelations may have changed that

Millions of webcam conversations were intercepted by spies, including many that involved nudity

Latest Edward Snowden leaks reveal iPhone and Android apps are rich source of data for agencies

The USA attorney general, Eric Holder, has hinted the NSA leaker could return home

GCHQ made use of massive text database collected by 'Dishfire' program, according to latest Snowden leaks

The US president is considering 46 proposals to reform surveillance: expect window-dressing

US spy agency begins Snowden fight back insisting press 'don't understand' leaked documents

In a rare interview, whistleblower says he assumed being taken seriously 'would be a challenge'

Fugitive whistleblower risked everything to expose surveillance even Obama doesn't take too seriously