The ransomware claim involves the threat actor qilin targeting Yapi Teknik Proje, a company based in Istanbul, Turkey, specializing in static design and project planning for reinforced concrete, steel, and timber structures since 1988. The incident impacts Turkey.
Incident Details
- Victim: Yapi Teknik Proje
- Country: TR
- Actor: qilin
- Source: http://ijzn3sicrcy7guixkzjkib4ukbiilwc3xhnmby4mcbccnsd7j2rekvqd.onion/site/view?uuid=9cb51ece-d22d-3b8d-860f-76912b75c260
- Discovered: 2025-07-28 17:56:07.000131
- Published: 2025-07-28 00:00:00.000000
Information
- Yapı Teknik Proje is based in Istanbul, Turkey, and was established in 1988.
- The company specializes in static design, project planning, and implementation of structures made of reinforced concrete, steel, and timber.
- The firm operates in both national and international markets.
- The ransomware attack was carried out by the actor qilin, Yap

Disclaimer: This post is based on public claims made by the ransomware group "qilin". 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.