- South Korean opposition lawmaker Kyung Dae-soo said he was "almost 100 percent certain that North Korean hackers were behind the hacking" of Daewoo Shipbuilding & Marine Engineering Co Ltd's database
- Earlier this month, another South Korean lawmaker had said North Korean hackers had stolen a large number of classified military documents
- British authorities said last week they believed North Korea was behind the WannaCry ransomware attack in May