South Korean police investigated suspected North Korean hacking of personal email accounts belonging to senior Ministry of National Defense officials and military officers, including vice-minister-level officials and generals. Reporting said the incident involved personal email accounts rather than military servers, and that similar activity affected more than 100 domestic targets including foreign-policy and security experts. The article named Kimsuky, Lazarus, and Andariel as North Korean groups that have repeatedly targeted military, diplomatic, and security communities.