• Japanese tech giant Advantest hit by ransomware attack February 20, 2026 01:30 PM 0 Advantest Corporation disclosed that its corporate network has been targeted in a ransomware attack that may have affected customer or employee data. • Preliminary investigation results revealed that an intruder gained access to certain parts of the company’s network on February 15. • Tokyo-based Advantest is a global leader in testing equipment for semiconductors, measuring instruments, digital consumer products, and wireless communications equipment. • The company employs7,600 people, has an annual revenue of more than $5 billion, and a market capitalization of$120 billion. • On February 15, the firm detected unusual activity in its IT environment, prompting a response in accordance with incident response protocols, including the isolation of affected systems. • As part of its response, the company contracted third-party cybersecurity specialists to help isolate the threat and investigate its impact.
Article Summaries:
- Japanese semiconductor testing firm Advantest Corporation confirmed a ransomware attack on its corporate network, first detected on February 15. An unauthorized intruder accessed parts of the company’s IT environment, prompting isolation of affected systems and engagement of external cybersecurity specialists. While preliminary findings suggest ransomware was deployed, no data theft has been confirmed; the firm will notify customers or employees directly if personal data is impacted. No ransomware group has claimed responsibility, and the incident follows a series of cyberattacks on other Japanese companies such as Nissan and Asahi. Advantest will provide further updates as the investigation proceeds.
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