This record tracks a ransomware attack claimed by the
thegentlemen group against
Thammasat University. 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.
-73days
t1 · Published
t2 · Disclosed
Business Category
Education
Published
February 11, 2026
Disclosed / Notified
Dec 01, 2025
Attack Summary
basthammasat.org zoominfo.com/c/thammasat-university/371284040 The British and American Studies Programme at Thammasat University offers a comprehensive curriculum focused on the cultural, historical, and social aspects of the UK and the USA. It aims to equip students with critical thinking and analytical skills, preparing them for various career paths in international relations, education, and cultural studies. The programme is designed for students interested in deepening their understanding
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 tu.ac.th
(matched from the company name)
— indexed by HaveIBeenRansom.
9,266
found in Infostealer logs
2,929+
found in Traditional breaches
26+
found in Ransomware leaks
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B F R e p o V 3 F i l e s · breach
••• emails
MalindoAir_BF.7z
TheUnderground - Reborn · breach
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B F R e p o V 3 F i l e s · breach
••• emails
limeleads_breach.7z
TheUnderground - Reborn · breach
••• emails
Dropbox_BF.7z
B F R e p o V 3 F i l e s · breach
••• emails
Cit0day [cit0day.in] breaches.csv
LKnet reserve chat · breach
••• emails
+ 17 more leak sources locked
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This ransomware victim record reflects information published on the operator's leak site.
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