Ransomware group emperador hits Holcim
Holcim — a manufacturing target operating in CH has been listed by the emperador ransomware group on 2026-10-31. The information below reflects what the threat actor has publicly claimed on their leak site; the details have not been independently verified.
Incident Report
| Target Organization | Holcim |
|---|---|
| Threat Group | emperador |
| Summary | Holcim, a manufacturing organization in Switzerland, was listed by the emperador ransomware group on its leak site on 2026-10-31. |
| Date of Breach | 2026-10-31 |
| Discovery Date | 2026-10-31 |
| Region | CH |
| Target Domain | — |
| Business Sector | Manufacturing |
| Severity | MEDIUM |
Claim by emperador
Holcim is a global building-materials and building-solutions company founded in Switzerland in 1912. It provides cement, aggregates, ready-mix concrete and high-value building solutions for infrastructure, buildings and industrial applications. Holcim focuses on sustainable construction through solutions such as ECOPact, ECOPlanet and ECOCycle. In 2025, the company generated CHF 15.7 billion in net sales and operated across 43 markets. [Sector: Manufacturing, Construction]
Posted by the emperador threat actor on its public leak site. This is the group's own statement and has not been independently verified by HackerFeeds.
Sources
Leak post (onion / Tor)
http://emprdr4p7iwlhpky33tswt3k2qdeljyjcdpoysabudmmrz4z32laexad.onion/post/holcim/
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Disclaimer
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