The thegentlemen ransomware group listed EiCOh on its data leak site on 2026-11-12. Country: JP Domains named: eicoh.com Claim as published on the leak site: eicoh.com EICOH Co., Ltd. (株式会社エイコー) is a Japanese IT and office solutions company founded in 1972 in Osaka by Yamada Goichi, now with dual headquarters in Osaka and Tokyo, 430 employees and annual revenue of 13.5 billion yen. Led by President Sakai Taihei since March 2024, it provides office equipment optimization, digital transformation, cybersecurity, paperless workflow and sales enablement services for major Japanese corporations. The company holds 25 government construction licenses coverin