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kuk.de / KREBS + KIEFER / 500GB

revil

This record tracks a ransomware attack claimed by the revil group against kuk.de / KREBS + KIEFER / 500GB. 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.

1817days open
t1 · Published t2 · Pending
Sep 09, 2021Not disclosed yet
Country
Business Category
Other
Employees
51-100
Discovered
2021-09-09
Published
September 09, 2021
Disclosed / Notified
Not disclosed yet
Victim ID
jDQnNo5SqSoc

Attack Summary

kuk.de / KREBS + KIEFER / 500GB was named by the revil ransomware group as a targeted organization. It operates in the Other sector. The incident was first observed on September 09, 2021. Breach House tracks this attack from public ransomware leak-site postings for threat-intelligence purposes.

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 kuk.de — indexed by HaveIBeenRansom.
6
found in Infostealer logs
35+
found in Traditional breaches
4+
found in Ransomware leaks
OnlinerSpambot_BF.7z
B F R e p o V 3 F i l e s · breach
••• emails
linkedIN_2.7z.001
Database World ROC · breach
••• emails
Cit0day [cit0day.in] breaches.csv
LKnet reserve chat · breach
••• emails
pureincubation-com.7z.001
Database World ROC · breach
••• emails
WEICON
medusa · ransomware
••• emails
Kedr | Forum 🪾 · breach
••• emails
formaceft_db · breach
••• emails
B F R e p o V 3 F i l e s · breach
••• emails
+ 5 more leak sources locked
Leak volumes are locked
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View Group: revil

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