There have been documented cases of undersea cables being tapped: http://en.wikipedia.org/wiki/Operation_Ivy_Bells http://en.wikipedia.org/wiki/Operation_Ivy_Be

There have been documented cases of undersea cables being tapped: http://en.wikipedia.org/wiki/Operation_Ivy_Bells http://en.wikipedia.org/wiki/Operation_Ivy_Bells Regarding Fibre I am not sure of documented cases but: http://www.zdnet.com/news/spy-agency-taps-into-undersea-cable/115877 http://www.zdnet.com/news/spy-agency-taps-into-undersea-cabl...