Posted
Aug 27, 2026
Country
DE
Industry
Manufacturing
What was taken
Otto Sieve GmbH is a family-owned German company specializing in building services and modern home technology. Founded in 1967, the company provides heating, ventilation, sanitary, solar, and renewable energy solutions. Its services cover the planning, installation, maintenance, repair, and modernization of heating systems, bathrooms, heat pumps, solar technology, ventilation, and related building systems. Otto Sieve serves customers involved in new construction, renovation, and modernization pr
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