Advantest Corporation Confirms Ransomware Attack on Corporate Network

Advantest Corporation, a global leader in semiconductor testing equipment, confirmed it suffered a ransomware attack on its corporate network. The incident occurred on 15 February 2026, though the investigation remains ongoing. No data breaches or leaks have been confirmed at this stage. The attack underscores risks to the global technology supply chain, given Advantest’s role in semiconductor manufacturing. No specific ransomware group, technical details, or CVE IDs were disclosed in the report.