2026 Advantest — ransomware attack
Data compromised
Under investigation; customer/employee data may be affected
Technical writeup
Advantest Corporation, a leading Japanese semiconductor test equipment supplier, detected unusual activity in its IT environment on February 15, 2026. An unauthorized third party gained access to portions of the network and deployed ransomware. The company isolated affected systems and engaged cybersecurity experts. Investigation ongoing to determine full extent.
Root cause
Ransomware attack