2026 WellPerf — 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 24, 2026 per extortion leak-site monitors. Qilin listed WellPerf (wellperf.com). WellPerf S.A. is an oil and gas services company based in Ecuador. 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 WellPerf (wellperf.com) — organization had not confirmed at indexing time