Holcim Reports Limited Unauthorized Data Exfiltration Incident

MT Newswires · 1d ago
03:55 AM EST, 11/04/2026 (MT Newswires) -- Holcim (HOLN.SW) detected and contained a limited incident involving unauthorized data exfiltration, according to a Wednesday statement. The Swiss building materials company told MT Newswires the incident was immediately contained and its security teams launched a forensic investigation to assess the affected files and ensure compliance with privacy laws and regulations. Holcim's industrial operational technology, manufacturing plants, and logistics networks were unaffected, and daily operations and deliveries have not been disrupted.