This record tracks a ransomware attack claimed by the
medusa group against
Open University of Cyprus. 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.
1167days open
t1 · Published
t2 · Pending
Business Category
Education
Disclosed / Notified
Not disclosed yet
Attack Summary
The Open University of Cyprus (OUC) was established in 2002 and, as a public university, specializes in distance education, helping to bring Cyprus closer to achieving its strategic goal: to become a regional educational and research center and a center for international scientists and students in the Eastern Mediterranean basin. At the moment , more than 4,000 students are studying at the university , and the university is also engaged in scientific research activities
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 ouc.ac.cy
— indexed by HaveIBeenRansom.
276
found in Infostealer logs
104+
found in Traditional breaches
2,896+
found in Ransomware leaks
Open University of Cyprus
medusa · ransomware
••• emails
Dropbox_BF.7z
B F R e p o V 3 F i l e s · breach
••• emails
European Commission (*.europa.eu)
shinyhunters · breach
••• emails
@BreachedData1 LinkedIn 2021-23 Cleaned.7z.001
Database World ROC · breach
••• emails
Cit0day [cit0day.in] breaches.csv
LKnet reserve chat · breach
••• emails
LinkedIn.com.txt
Database World ROC · breach
••• emails
AntiPublic_BF.7z
B F R e p o V 3 F i l e s · breach
••• emails
Exploit.in.rar
LKnet reserve chat · breach
••• 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.