Twenty-five years after the world wide web was created, it is now caught in the greatest controversy of its existence - surveillance. With many concerned that governments and corporations can monitor our every move, Horizon meets the hackers and scientists whose technology is fighting back. It is a controversial technology, and some law enforcement officers believe it is leading to risk-free crime on the dark web - a place where almost anything can be bought, from guns and drugs to credit card details.
Mike Radford
Director

Amanda Drew
Narrator
Jacob Appelbaum
Himself

Julian Assange
Himself

Tim Berners-Lee
Himself

Edward Snowden
Himself (archive footage)
Above Majestic73%
Directed by John Ford70%
The Class of ‘9271%
Sherman's March67%
Deep Web67%
A Plastic Ocean75%
Tricked: The Documentary61%
180° South72%
Avatar: The Deep Dive - A Special Edition of 20/2072%
Sidney70%
Room 23761%
McQueen74%
Unknown Number: The High School Catfish67%
28 Up75%
Evil Influencer: The Jodi Hildebrandt Story62%
Seduced and Abandoned62%
In the Realms of the Unreal71%
35 Up76%
Elstree 197661%
My Mom Jayne80%