This record tracks a ransomware attack claimed by the
thegentlemen group against
Agis Civil Engineering Construction. 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.
-81days
t1 · Published
t2 · Disclosed
Business Category
Construction / Real Estate
Published
February 10, 2026
Disclosed / Notified
Nov 22, 2025
Attack Summary
grupoagis.com.br zoominfo.com/c/agis/372423957 Grupo Agis unites three businesses: Agis Construo, one of the top engineering companies in Brazil, Agis Sistemas focused on integrated energy solutions, and Agis Minerao specializing in mineral extraction for civil construction. They operate in both public and private sectors, with expertise in various infrastructure projects including metro, roads, ports, water works, sanitation, and mining. The group is committed to impactful projects that enhance
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 grupoagis.com.br
— indexed by HaveIBeenRansom.
8
found in Infostealer logs
236+
found in Traditional breaches
10+
found in Ransomware leaks
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This ransomware victim record reflects information published on the operator's leak site.
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