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CoCo Yachts

cephalus

This record tracks a ransomware attack claimed by the cephalus group against CoCo Yachts. 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.

369days open
t1 · Published t2 · Pending
Aug 28, 2025Not disclosed yet
Country
Netherlands
Business Category
Communication / Marketing
Employees
51-100
Discovered
2025-08-28
Published
August 28, 2025
Disclosed / Notified
Not disclosed yet
Victim ID
KWPjOdPMnSjh

Attack Summary

We got a total of 1.8TB+ of data,including project,clients,employee information,and a certain country's naval ship design..... The data link will coming soon

Leak Screenshots

SAMPLE

Proof-of-breach screenshots the operator posted from the stolen data. Previews are redacted and locked — the originals are available on HaveIBeenRansom.

file_tree.png
finance_2024.xlsx
passport_scan.jpg
contract_signed.pdf
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Dark Web Exposure

Findings for cocoyachts.com — indexed by HaveIBeenRansom.
0
found in Infostealer logs
21
found in Traditional breaches
0
found in Ransomware leaks
linkedIN_2.7z.001
Database World ROC · breach
••• emails
Ticketcounter_BF.7z
B F R e p o V 3 F i l e s · breach
••• emails
@BreachedData1 LinkedIn 2021-23 Cleaned.7z.001
Database World ROC · breach
••• emails
Edmodo_BF.7z
Formaceft db · breach
••• emails
Disqus_BF.7z
B F R e p o V 3 F i l e s · breach
••• emails
Database World ROC · breach
••• emails
B F R e p o V 3 F i l e s · breach
••• emails
Database World ROC · breach
••• emails
Leak volumes are locked
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Visit Website View Group: cephalus

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