This record tracks a ransomware attack claimed by the
qilin group against
CAHOKIA CUSD 187 SCHOOL DISTRICT. 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.
-41days
t1 · Published
t2 · Disclosed
Business Category
Education
Disclosed / Notified
Jan 26, 2025
Attack Summary
All data will be published on Mar.19.The Cahokia Unit School District Board of Education and the Superintendent of District #187, through an active partnership with its parent and community, will support a system of educational excellence. W ...
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 cusd187.org
— indexed by HaveIBeenRansom.
0
found in Infostealer logs
484+
found in Traditional breaches
105+
found in Ransomware leaks
McGraw Hill, Inc. (mheducation.com)
shinyhunters · breach
••• emails
Televerde
play · ransomware
••• emails
VerificationsIO_BF.7z.011
Kedr | Forum · breach
••• emails
LuminPDF_BF.7z
B F R e p o V 3 F i l e s · breach
••• emails
National Business Furniture
medusa · ransomware
••• emails
Arandell Corp
medusa · ransomware
••• emails
UnderArmour_BF_.7z.001
Database World ROC · 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.