Grandi Holding Reports Ransomware Attack Disrupting Some Systems

Summary

Grandi Holding detected ransomware on some servers, disrupting systems including ERP. The company says restoration is underway, the overall operational and financial impact is not expected to be material, and incident response measures were activated.

Key points

• Grandi Holding, a subsidiary of the reporting company, detected a ransomware attack on some servers on September 7, 2026.
• The incident caused certain information systems, including ERP, to malfunction.
• The company's security team activated response procedures and network isolation, and reviewed and strengthened security protections.
• Affected systems are being progressively restored.
• The company does not expect a material impact on overall operations or finances.