Gfeller Treuhand und Verwaltungs
Attack Intelligence
Gfeller Treuhand und Verwaltungs was compromised in a ransomware attack attributed to THEGENTLEMEN in August 2026. The organization, operating in an undisclosed sector in Unknown, was added to the group's data leak site as part of an extortion campaign.
THEGENTLEMEN operates as a financially motivated ransomware-as-a-service (RaaS) operation, exfiltrating sensitive data and threatening public disclosure to pressure victims into paying ransom demands.
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.