Advantest Corporation, a top Japanese supplier of semiconductor testing equipment, disclosed a ransomware attack that struck its IT systems on February 15, 2026. The Tokyo-based firm, listed on the Tokyo Stock Exchange (TSE: 6857), detected unusual activity and quickly isolated affected areas. This incident highlights growing cyber threats to critical supply chains in the semiconductor […] The post Ransomware Attack Disrupts Multiple Systems at Japanese Semiconductor Supplier appeared first on Cyber Security News.