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El IBR

thegentlemen

This record tracks a ransomware attack claimed by the thegentlemen group against El IBR. 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.

-91days
t1 · Published t2 · Disclosed
Feb 24, 2026Nov 26, 2025
Country
Spain
Business Category
IT
Employees
+1000
Discovered
2026-02-24
Published
February 24, 2026
Disclosed / Notified
Nov 26, 2025
Victim ID
b3Gaz070yyNl

Attack Summary

ibr-conicet.gov.ar zoominfo.com/c/el-ibr/547000244 IBR is a leading research institute with over 240 professionals specializing in microbiology, biomedicine, structural biology, and agrobiotechnology. It offers cutting-edge technology and access to advanced infrastructure for researchers, companies, and organizations globally. The institute promotes scientific knowledge generation and its transfer to the production sector while encouraging innovation through startups led by researchers. IBR also provides opportunities for doctoral and postdoctoral training to advance careers in scientific research

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 ibr-conicet.gov.ar — indexed by HaveIBeenRansom.
0
found in Infostealer logs
50
found in Traditional breaches
2
found in Ransomware leaks
Cit0day [cit0day.in] breaches.csv
LKnet reserve chat · breach
••• emails
@TXTLOG_ALIEN — @TXTLOG_LINK - 491.txt
Database World ROC · breach
••• emails
Access Intelligence
play · ransomware
••• emails
2844Breaches_BF.7z
B F R e p o V 3 F i l e s · breach
••• emails
McGraw Hill, Inc. (mheducation.com)
shinyhunters · breach
••• emails
Exploit.in.rar
LKnet reserve chat · breach
••• emails
3200000 lines.txt
formaceft_db · breach
••• emails
ProctorU_BF.7z
Database World ROC · breach
••• emails
+ 2 more leak sources locked
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