Advantest security incident history
Hacking, data breaches and other security incidents involving Advantest, with related coverage.
Incidents: 1 · Most recent
Advantest ransomware attack leads to personal data theft
Impact: Theft of personal data; internal IT systems affected
Advantest, a Japanese semiconductor test equipment maker, suffered a ransomware attack in February 2026 that affected its internal IT systems. The company investigated whether customer and employee information was affected, and in October of the same year confirmed that personal data had been stolen.
Related reports: 10 · last report →