Japanese chip-testing toolmaker Advantest suffers ransomware attack

Tokyo-based test-equipment maker Advantest confirmed a ransomware attack after detecting unusual IT activity on February 15, 2026, and says it isolated affected systems and engaged third-party cybersecurity experts. The investigation is ongoing with no confirmed data or major operational impact, and the incident highlights increasing ransomware and state-backed targeting of the semiconductor and manufacturing sectors. #Advantest #Akira

Keypoints

Advantest detected unusual IT activity on February 15, 2026 and confirmed a ransomware intrusion.
The company isolated affected systems and activated incident response protocols.
Third-party cybersecurity experts have been engaged to investigate and contain the incident.
There is no confirmed customer or employee data compromise or major facility disruption reported so far.
The attack reflects broader targeting of manufacturing and semiconductors by groups like Akira, Qilin and Play and by state-backed actors using double-extortion tactics.