“The hacking attack on Sony Pictures may have been a practice run for North Korea’s elite cyber-army in a long-term goal of being able to cripple telecoms and energy grids in rival nations, defectors from the isolated state said.
Non-conventional capabilities like cyber-warfare and nuclear technology are the weapons of choice for the impoverished North to match its main enemies, they said.”
Source:For North Korea’s cyber army, long-term target may be telecoms, utility grids | Reuters