Skip to content

Search Ransomware Intelligence

Jump to a group, country, industry or search victims.

Listed on a ransomware leak site

Humboldt

humboldt.com.br

Humboldt was listed on the The Gentlemen leak site on Sep 14, 2026. Information as of Oct 19, 2026.

Country: BrazilIndustry: Education and Research
Updated continuously · figures as of Oct 19, 2026
Claimed by
The Gentlemen
First listed
Sep 14, 2026
Claims recorded
1

Leak-Site Claim.

The GentlemenConfirmed claim
Posted on the leak site
Sep 14, 2026
Collected by Brandefense
Sep 15, 2026
Data claimed
Not stated
Leak-site post text, written by the group
humboldt.com.br zoominfo.com/c/humboldt/[removed] Colegio Humboldt 300gb DATA Germany's official school in São Paulo, founded in 1916 by German immigrants (first class: 41 students, May 1, 1916), now a non-profit bilingual school of ~1,200-1,300 students (ages 2-18, ~295 staff) on a 60,000 m2 Interlagos campus built with German government funding (opened 1999), maintained by the parents' association SEBRB. Its dramatic history: closed twice by world wars, 1917 (WWI) and 1942 (WWII, when all assets were confiscated and took a 10-year legal battle to recover), before parents rebuilt it into a…

Get alerted the moment your company or a supplier is posted on a leak site.

Alert me
Other confirmed victims claimed by the same group
VictimClaimed byCountryIndustryData claimedPosted
AirQ
airq-ad.com
The GentlemenAEUnited Arab EmiratesTransportation and LogisticsNot stated
First Dental Health
firstdentalhealth.com
The GentlemenUSUnited StatesHealthcareNot stated
Gio Dental Med Spa
giodentalspa.com
The GentlemenMXMexicoHealthcareNot stated
Wellington College International School Bangkok
wellingtoncollege.ac.th
The GentlemenTHThailandEducation and ResearchNot stated
Ecuadors National Police
policia.gob.ec
The GentlemenECEcuadorGovernment and Public SectorNot stated
Santa Barbara Endodontics
sbendo.com
The GentlemenUSUnited StatesHealthcareNot stated
Other confirmed victims in the same industry
VictimClaimed byCountryIndustryData claimedPosted
The Akeeli Group
theakeeligroup.com
N0nUSUnited StatesEducation and ResearchNot stated
Llano Independent School District
llanoisd.org
QilinUSUnited StatesEducation and ResearchNot stated
Solid Trading B.V.
solid-fx.com
N0nNLNetherlandsEducation and ResearchNot stated
First Brothers Co., Ltd
firstbrothers.com
QilinJPJapanEducation and ResearchNot stated
Wellington College International School Bangkok
wellingtoncollege.ac.th
The GentlemenTHThailandEducation and ResearchNot stated
nowaszkola.com
nowaszkola.com
INC RansomPLPolandEducation and ResearchNot stated

Get Real-Time Alerts, IOC Feeds And Takedowns.

The Brandefense platform watches every leak site for your company, vendors and executives, and acts on what it finds.

Figures as of Oct 19, 2026. Confirmed leak-site claims collected by Brandefense technologies and validated by Brandefense analysts.

Listed on a leak site means a ransomware group has claimed the company; it is not a confirmed breach. To request a correction or removal, contact Brandefense.