This record tracks a ransomware attack claimed by the
threeam group against
doneff.com. 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.
-43days
t1 · Published
t2 · Disclosed
Business Category
Construction / Real Estate
Published
February 21, 2024
Disclosed / Notified
Jan 10, 2024
Attack Summary
From luxury apartments and exclusive active adult housing to affordable, moderate family living, Doneff Companies LLC has built and manages more than 1,056 apartment homes across central and eastern Wisconsin.
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.
Dark Web Exposure
Findings for doneff.com
— indexed by HaveIBeenRansom.
0
found in Infostealer logs
101+
found in Traditional breaches
6+
found in Ransomware leaks
Marcus & Millichap, Inc.
shinyhunters · breach
••• emails
VerificationsIO_BF.7z.011
Kedr | Forum · breach
••• emails
Factual_BF.7z
B F R e p o V 3 F i l e s · breach
••• emails
limeleads_breach.7z
TheUnderground - Reborn · breach
••• emails
Arandell Corp
medusa · ransomware
••• emails
OnlinerSpambot_BF.7z
B F R e p o V 3 F i l e s · breach
••• emails
pureincubation-com.7z.001
Database World ROC · breach
••• emails
USA_Customers_04.2021_(153.986.518) @dbworldcloud.part01.rar
DBs Backup · breach
••• emails
+ 17 more leak sources locked
Leak volumes are locked
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Legal Disclaimer:
This ransomware victim record reflects information published on the operator's leak site.
Breach.house does not acquire, download, host, access or redistribute unlawfully obtained data. It indexes only publicly visible information posted by ransomware, breach and infostealer operators and open web sources, without accessing the underlying stolen content. The service supports public awareness, legitimate research and cyber-resilience.