This record tracks a ransomware attack claimed by the
blacknevas group against
www.cosaen.es. It collects the publicly disclosed attack details — sector, location and
timeline — as published on the operator's leak site and indexed by Breach House.
Window Zero
EXPOSURE GAP
Window Zero is the time the breach stayed in the open before
anyone said so — the gap between when the attack was first discovered
on the operator's leak site (t1) and when it was publicly disclosed (t2).
The wider this window, the longer victims, staff and customers were exposed with no warning.
0days open
t1 · Discovered
t2 · Pending
Business Category
Manufacturing / Engineering
Indexed by Breach House
October 18, 2026
Disclosed / Notified
Not disclosed yet
Attack Summary
cosaen.es is an entity based in Spain within the Manufacturing and Engineering sector, providing specialized technical and operational services relevant to industrial production and engineering solutions. The organization is cataloged in this threat-intelligence index under the listing type ransomware victim, specifically associated with the threat actor blacknevas. This designation reflects its inclusion in intelligence records documenting cybersecurity incidents linked to this actor within the affected entity's operational context. The entry provides neutral, factual context for researchers and security professionals monitoring industrial-sector threats across European manufacturing environments.
Leak Screenshots
1 CAPTURED
Captured directly from the operator's leak site by our collector. Verdict evidence: listed on the leak site; no evidence of publication yet
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Dark Web Exposure
Cross-referenced against HaveIBeenRansom's dark-web index of ransomware leaks, breaches & infostealer logs.
0
found in Infostealer logs
0
found in Traditional breaches
0
found in Ransomware leaks
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Full exposure is locked
See every breached email, the internal-vs-external split and each leak source behind this victim.
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This ransomware victim record reflects information published on the operator's leak site.
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