2026 Windiam — Qilin leak-site claim (unverified)
Data compromised
Actor listing on criminal leak site; specific exfiltrated data categories and victim count not published in open monitors reviewed — unverified
Technical writeup
Unverified ransomware / leak-site claim — discovered Jul 23, 2026 per extortion leak-site monitors. Qilin listed Windiam (windiam.com). Windiam is a diamond manufacturing and trading company based in Belgium, specializing in the sourcing, manufacturing, and distribution of rough and polished diamonds. The organization had not publicly confirmed the incident in sources reviewed. BreachHistory indexes recordsAffected 0 and labels the row unverified.
Root cause
Unverified Qilin ransomware/extortion leak-site listing naming Windiam (windiam.com) — organization had not confirmed at indexing time