North Korea is capable of launching lethal cyber attacks that could destroy cities with 6,000-strong army of hackers claims professor who defected in 2004

North Korea is capable of launching lethal cyber attacks that could destroy cities with 6,000-strong army of hackers claims professor who defected in 2004 Prof Kim Hueng-Kwant, a, computer scientist who trained many members of Kim Jong un's cyber army believes that Bureau 121 is actively trying to hack into nuclear power stations to destroy entire cities.