Skip to content
Leak-site post naming Stücheli Architekten, captured by ThreatCluster

Stücheli Architekten

payload

Ransomware leak-site victim intelligence · DE

Data size
45 GB
Posted
Aug 11, 2026
Country
Switzerland
Industry
Architecture

Summary

Written by ThreatClusterfrom site fields, victim profile, leak post, screenshot

The group claims to have stolen 45 GB of data from Stücheli Architekten, a Swiss architectural firm (legal name Stücheli Architekten; domain stuecheli.ch). The leak page shows a countdown publication status and lists a surface leak site at https://stuecheli.ch and an onion address for data release. The victim is identified on the leak page as Stücheli Architekten, based in Switzerland.

Describes what the group claims on its leak site. A listing is not confirmation that a breach occurred.

Victim profile

Founded
1946

What was taken

Stücheli Architekten is a renowned Swiss architectural firm founded in Zurich back in 1946. The company specializes in the design and execution of complex architectural projects, including residential buildings, office complexes, and public spaces, combining innovation with tradition and sustainable construction. It provides a full range of architectural services and frequently acts as a general planner for major projects both in Switzerland and internationally.

Also stated on the leak page

Fields this group publishes that do not map to a standard column. Labels are the site's own.

leak_site
site (https://stuecheli.ch)
leak_onion
http://payload6eualw6kni6v2lqn7ovjcl76ojx25z5unsyvqo3lbqy3bo5qd.onion/

Leak-site images (1)

Images from the victim's leak listing. Thumbnails scraped from the onion page are blurred by default — click a thumbnail to view.

ThreatCluster capture