Leading Japanese semiconductor supplier responding to ransomware attack

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Leading Japanese semiconductor supplier responding to ransomware attack

Therecord.Media • February 19, 2026

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Japanese semiconductor test equipment supplier Advantest said it is dealing with a ransomware attack that has impacted several company systems.

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Advantest Investigates Ransomware Cybersecurity Incident Advantest is addressing a ransomware cybersecurity incident that may have impacted certain systems on its network. The company is working to assess the full extent of the incident and will notify affected customers or employees if their data is compromised. Measures are being taken to reinforce network defenses during this investigation. 21 sources 50

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