Newshour Extra

Will future wars be fought online? Just how much damage can be done by cyber terrorists hacking into to top secret military sites, secure government networks, or perhaps vital public utilities running our power and water supplies? And when does a hack become true cyber-warfare, requiring a military response? Join Owen Bennett Jones in the Estonian capital, Tallinn, as he talks to some of the world’s leading experts gathering for a conference on cyber conflict, discussing what measures can be taken to minimize these risks, and how much we really know about the secretive world of cyber-attacks.(Photo: Composite image of technology interface. Credit: Thinkstock)