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Ransomware group thegentlemen hits Gfeller Treuhand und Verwaltungs
Gfeller Treuhand und Verwaltungs — a professional services target operating in CH has been listed by the thegentlemen ransomware group on 2026-08-13. 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 | Gfeller Treuhand und Verwaltungs |
|---|---|
| Threat Group | thegentlemen |
| Summary | gfeller-treuhand.ch zoominfo.com/c/gfeller-treuhand-und-verwaltungs-ag/372661395 Gfeller Treuhand und Verwaltungs AG is a Swiss real estate and fiduciary company based in Dübendorf, operating since 1980. They specialize in comprehensive property management, real estate sales, and leasing services. The firm provides professional administrative support, utilizing modern IT solutions to efficiently handle property maintenance and tenant relations. |
| Date of Breach | 2026-08-13 |
| Discovery Date | 2026-08-14 |
| Region | CH |
| Target Domain | gfeller-treuhand.ch |
| Business Sector | Professional Services |
| Severity | MEDIUM |
Claim by thegentlemen
gfeller-treuhand.ch zoominfo.com/c/gfeller-treuhand-und-verwaltungs-ag/372661395 Gfeller Treuhand und Verwaltungs AG is a Swiss real estate and fiduciary company based in Dübendorf, operating since 1980. They specialize in comprehensive property management, real estate sales, and leasing services. The firm provides professional administrative support, utilizing modern IT solutions to efficiently handle property maintenance and tenant relations.
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.
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