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EUC Sjlland

ransomhouse

This record tracks a ransomware attack claimed by the ransomhouse group against EUC Sjlland. 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.

500days open
t1 · Published t2 · Pending
Apr 19, 2025Not disclosed yet
Country
Denmark
Business Category
Education
Employees
51-100
Discovered
2025-06-09
Published
April 19, 2025
Disclosed / Notified
Not disclosed yet
Victim ID
6yByKAay2of8

Attack Summary

EUC Zealand was established in 1999 through a merger between the technical schools in Køge, Haslev and Næstved and has since been expanded with two centers for labor market education. Today, EUC Zealand has branches in Næstved, Køge, Haslev and Greve.

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 eucsj.dk — indexed by HaveIBeenRansom.
36
found in Infostealer logs
305+
found in Traditional breaches
14+
found in Ransomware leaks
Dropbox_BF.7z
B F R e p o V 3 F i l e s · breach
••• emails
VerificationsIO_BF.7z.011
Kedr | Forum 🪾 · breach
••• emails
Exploit.in.rar
LKnet reserve chat · breach
••• emails
AntiPublic_BF.7z
B F R e p o V 3 F i l e s · breach
••• emails
Cit0day [cit0day.in] breaches.csv
LKnet reserve chat · breach
••• emails
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
+ 17 more leak sources locked
Leak volumes are locked
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