“A fifth of GCHQ intelligence comes from hacking in to phones and computers, the agency has revealed, as it won a human rights victory over its once secret technique.
The spy agency admitted last year that it regularly hacks electronic devices – known as equipment interference – to gather data on suspects.
It was forced to defend the power before the Investigatory Powers Tribunal after a civil liberty group and Internet companies claimed it breached human rights laws.”
Source: Fifth of GCHQ intelligence comes from hacking – Telegraph