The revelations of Edward Snowden keep on coming. The Guardian reports on a hacking program of the British Government Communications Headquarters (GCHQ) codenamed Optic Nerve. The program intercepted Yahoo webcam chats collecting and storing images of millions of users, even when individual users were not suspected of wrongdoing.

The leaked documents revealed that GCHQ secret files date from 2008 till 2010 and in the first 6 months Optic Nerve collected the still images from 1.8 million users globally. One of the files estimated till 11% of the content categorised as "undesirable nudity”.