All ransomware incidents
Ransomware group thegentlemen hits Humboldt
Humboldt — a other target operating in BR has been listed by the thegentlemen ransomware group on 2026-09-14. The information below reflects what the threat actor has publicly claimed on their leak site; the details have not been independently verified.
Incident Report
| Target Organization | Humboldt |
|---|---|
| Threat Group | thegentlemen |
| Summary | humboldt.com.br zoominfo.com/c/humboldt/372537346 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 top institution. Programs: two tracks (Bilingual — 40% German; International German — 80% German leading to the Abitur, with 100% pass rate and direct entry to German/European universities), plus DSD I/II, Cambridge, DELE certifications, and its crown jewel — the largest German dual vocational training center outside Germany (since 1982: 2-year technical programs in Administration, Logistics, IT. |
| Date of Breach | 2026-09-14 |
| Discovery Date | 2026-09-15 |
| Region | BR |
| Target Domain | humboldt.com.br |
| Business Sector | Other |
| Severity | MEDIUM |
Claim by thegentlemen
humboldt.com.br zoominfo.com/c/humboldt/372537346 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 top institution. Programs: two tracks (Bilingual — 40% German; International German — 80% German leading to the Abitur, with 100% pass rate and direct entry to German/European universities), plus DSD I/II, Cambridge, DELE certifications, and its crown jewel — the largest German dual vocational training center outside Germany (since 1982: 2-year technical programs in Administration, Logistics, IT.
Posted by the thegentlemen threat actor on its public leak site. This is the group's own statement and has not been independently verified by HackerFeeds.
Disclaimer
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