Confidential documents related to the Japanese government's rare earth metal mining have been leaked.

On January 22, 2026, hackers leaked the Japanese government's confidential file related to rare earth metal mining, Y190129KS1_(SJ Research)TMW-4M3 Data_Kobayashi.pptx. This file is suspected to be a confidential document from the Japanese government or related companies involving the research and development of rare earth metal materials.