GwangHyun Ahn, Seon-a Lee, Won-hyung Park. Changes of Cyber Hacking Attack Aspect of North Korea Cyber-Attack Groups Applying MITRE ATT&CK. ReBICTE [Internet]. 2021 Oct. 5 [cited 2025 Feb. 3];7:75-88. Available from: https://rebicte.org/index.php/rebicte/article/view/119