A team of artists, technologists and designers in Germany have created a device which they believe can block wireless surveillance. The machine, called Cyborg Unplug, works by detecting wireless networks in the surrounding area and then acting against that signal.

Source: BBC

Date: November 11th, 2014

Link: http://www.bbc.com/news/technology-29801921

Discussion

1) Should it be legal to be able to sell, and purchase, a device that can jam others wireless networks at will?

2) What other countermeasures could you use to prevent wireless surveillance?