Storm ransomware disrupted Otto Sieve GmbH, a family-owned German building services company founded in 1967 and specializing in modern heating, ventilation, sanitary, solar, renewable energy, and related system installation and maintenance. The incident impacted the company in #Germany
Incident Details
- Victim: Otto Sieve GmbH
- Sector: Manufacturing
- Country: DE
- Actor: Storm
- Source: http://yqhecvqtdvq6p7duqcgw2qca77spbgakxcoibtx6zpvfshltsbbbhfqd.onion/company/6a8c10d7bcb899d105729a16
- Discovered: 2026-08-27T18:25:44.700813+00:00
- Published: 2026-08-24T09:37:27+00:00
Information
- Family-owned German company specializing in building services and modern home technology
- Founded in 1967 and offering heating, ventilation, sanitary, solar, and renewable energy solutions
- Provides planning, installation, maintenance, repair, and modernization for heating systems, bathrooms, heat pumps, solar technology, ventilation, and related building systems
- Serves new construction, renovation, and modernization projects, along with maintenance and emergency repair services
- Focuses on energy-efficient, sustainable solutions, technical expertise, personal consultation, and high-quality workmanship
- Headquartered in Lohne, Lower Saxony, Germany, at Lindenstraße 102a, 49393 Lohne
- Company size: 11–50 employees
Disclaimer: This post is based on public claims made by the ransomware group "Storm". I cannot confirm the accuracy of the information. However, I would be happy to share any official statement from the affected organization to provide clarification.