This record tracks a ransomware attack claimed by the
medusa group against
Elm Grove. 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.
-88days
t1 · Published
t2 · Disclosed
Business Category
Public Sector
Disclosed / Notified
Feb 20, 2024
Attack Summary
Elm Grove is a village in Waukesha County, Wisconsin, United States. The population was 6,524 at the 2020 census. Elm Grove was named as America's best suburb by Business Insider in October 2014. Elm Grove government is headed by a village president and overseen by a board of trustees, the seven members of which are elected to two-year terms. The total amount of data leakage is 150.6 GB
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 elmgrovewi.org
— indexed by HaveIBeenRansom.
0
found in Infostealer logs
208+
found in Traditional breaches
2,792+
found in Ransomware leaks
Elm Grove
medusa · ransomware
••• emails
VerificationsIO_BF.7z.011
Kedr | Forum · breach
••• 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
Wisconsin 97,551 Emails.csv
tni.mil.id · breach
••• emails
PoliceOne_BF.7z
B F R e p o V 3 F i l e s · breach
••• emails
contacts_7.csv
Database World ROC · breach
••• emails
FLOE Internationa
play · ransomware
••• emails
+ 17 more leak sources 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.