The tengu ransomware group listed 真言宗智山派 成就院 on its data leak site on 2026-02-18. Country: JP Sector: Other Domains named: jyojyuin.o.oo7.jp Claim as published on the leak site: Jōju-in is a traditional Japanese Buddhist temple belonging to the Shingon-shū Chisan-ha (真言宗智山派) sect, one of the main branches of Shingon Buddhism in Japan. The temple is located in Tochigi Prefecture (栃木県), specifically in the Northern Tochigi (栃木北部) region