Regime probably employs 1,700 state-sponsored hackers, backed by more than 5,000 support staff, according to the Australian Strategic Policy Institute. North Korea is being investigated for possible involvement in a massive cyber-attack on a South Korean currency exchange this week.The Youbit exchange shut down and collapsed into bankruptcy on Tuesday after hackers stole 17 per cent of its assets. Youbit was also hit by an attack in April that local media have linked to North Korean hackers.
