Koa Glass

Koa Glass was compromised in a ransomware attack attributed to THEGENTLEMEN in May 2026. The organization, operating in the Manufacturing sector in Japan, was added to the group's data leak site as part of an extortion campaign.

THEGENTLEMEN operates as a financially motivated ransomware-as-a-service (RaaS) operation, exfiltrating sensitive data and threatening public disclosure to pressure victims into paying ransom demands.

koaglass.co.jp zoominfo.com/c/koa-glass-co-ltd/347978270 prestigious Japanese glass packaging manufacturer established in 1943 and headquartered in Tokyo. Specializes in high-end glass containers for cosmetics, fragrance, and pharmaceuticals, delivering end-to-end solutions: design, production, decoration, and innovative antibacterial "Million Guard" technology. With 500+ employees and facilities across Japan and China, Koa Glass serves global luxury brands including Chanel, Shiseido, L'Oreal, and Estee Lauder