TTPwire Vol. 1 · MITRE ATT&CK·Tagged

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Infosecurity Magazine

Leading Semiconductor Supplier Advantest Hit by Ransomware Attack

2026-02-23 · Read original ↗

ATT&CK techniques detected

4 predictions
T1486Data Encrypted for Impact
97%
"faced shortages. the asahi ransomware attack was work of the qilin ransomware group. at the time of publication, so cyber criminal operation has claimed responsibility for the advantest ransomware attack."
T1486Data Encrypted for Impact
94%
"leading semiconductor supplier advantest hit by ransomware attack advantest corporation, the japanese technology company and prominent manufacturer of testing equipment for the semiconductor industry, has been hit by a ransomware attack. in a statement released on february 19, th…"
T1486Data Encrypted for Impact
91%
"brought in to aid with investigation and containment of the incident. “ preliminary findings appear to indicate that an unauthorized third party may have gained access to portions of the company ’ s network and deployed ransomware, ” the company said. as of february 23, a data br…"
T1195Supply Chain Compromise
52%
"leading semiconductor supplier advantest hit by ransomware attack advantest corporation, the japanese technology company and prominent manufacturer of testing equipment for the semiconductor industry, has been hit by a ransomware attack. in a statement released on february 19, th…"

Summary

Advantest, a Japanese specialist in testing computer chips for major semiconductor manufacturers, has deployed incident response protocols following a cybersecurity incident