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Kalamazoo Public School District

interlock

This record tracks a ransomware attack claimed by the interlock group against Kalamazoo Public 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.

-35days
t1 · Published t2 · Disclosed
Apr 26, 2025Mar 22, 2025
Country
United States
Business Category
Education
Employees
0-50
Discovered
2025-05-23
Published
April 26, 2025
Disclosed / Notified
Mar 22, 2025
Victim ID
HdVOEqRAneSE

Attack Summary

Kalamazoo Public Schools oversees 25 public schools in the district . Provides educational services for students ranging from preschool to high school. The district offers diverse programs including adult education, special education, and various extracurricular activities to support student growth. It aims to serve the local community by fostering academic excellence and personal development among students. Additionally, it collaborates with various community organizations to enhance educational outcomes and support for families.

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 kalamazoopublicschools.com — indexed by HaveIBeenRansom.
35
found in Infostealer logs
610+
found in Traditional breaches
0+
found in Ransomware leaks
VerificationsIO_BF.7z.011
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pureincubation-com.7z.001
Database World ROC · breach
••• emails
contacts_113.csv
Database World ROC · breach
••• emails
contacts_115.csv
Database World ROC · breach
••• emails
contacts_118.csv
Database World ROC · breach
••• emails
contacts_112.csv
Database World ROC · breach
••• emails
contacts_110.csv
Database World ROC · breach
••• emails
contacts_103.csv
Database World ROC · breach
••• emails
+ 17 more leak sources locked
Leak volumes are locked
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Visit Website Original Post View Group: interlock
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.