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Mundo Amtae

thegentlemen

This record tracks a ransomware attack claimed by the thegentlemen group against Mundo Amtae. 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.

117days open
t1 · Published t2 · Pending
May 06, 2026Not disclosed yet
Country
Mexico
Business Category
Services
Employees
0-50
Discovered
2026-05-06
Published
May 06, 2026
Disclosed / Notified
Not disclosed yet
Victim ID
ZsrXswBJyOF4

Attack Summary

mundoamtae.com zoominfo.com/c/mundo-amtae/372405633 Mundo AMTAE (Asociacion Mutual de Trabajadores Estatales) is one of Argentina's top 5 mutual aid organizations, founded in 1987 and headquartered at Lavalle 3155, Buenos Aires. With over 30 years of experience and 100,000 members spread across 20 branches nationwide, the organization provides a broad range of social, health, and financial services to state workers, retirees, and the general public. Its core offerings include medical consultations across all specialties, dental care, clinical analysis, physiotherapy, home medical visits, 24/7 ambulance service, and optical coverage. AMTAE also offers loan programs and financial assistance, with tiered membership plans (Plata, Dorado, Platino) covering varying levels of healthcare and personal accident protection

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 mundoamtae.com — indexed by HaveIBeenRansom.
112
found in Infostealer logs
12
found in Traditional breaches
2
found in Ransomware leaks
@BreachedData1 LinkedIn 2021-23 Cleaned.7z.001
Database World ROC · breach
••• emails
Televerde
play · ransomware
••• emails
Canva_BF_.7z.001
Database World ROC · breach
••• emails
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