Advantest Discloses Data Breach Months After Ransomware Attack

Advantest, a Japanese company that tests chips, has announced that it experienced a data breach during a ransomware attack in February 2026. The breach resulted in the theft of personal information from the company's servers. This disclosure comes months after the initial cyberattack occurred. The company is a major player in the chip testing industry. The breach is a significant incident for the company, and its disclosure has been made public.