North Korean hackers conducted a cyberattack against a South Korean nuclear energy research organization last month and may have stolen valuable technology, a South Korean lawmaker said Friday.
The attackers targeted the state-run Korea Atomic Energy Research Institute. IP addresses linked to the "kimsuky" hacking unit within Pyongyang's Reconnaissance General Bureau were found to have connected to the organization's internal networks on May 14.
"Government agencies are currently assessing the damage," the institute told Nikkei.
The incident was disclosed by a lawmaker from the opposition People Power Party who sits on the National Assembly's Intelligence Committee.
"If nuclear power technology has been leaked to North Korea, the damage from this hack would be second only to the 2016 attack on our national defense network," the lawmaker said. In that incident, Pyongyang stole classified data including a strategy for a "decapitation" strike against North Korean leader Kim Jong Un.
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