ReportedUpdated 3 Nov 2026
Advantest ransomware attack
What happened
Japanese chip testing giant Advantest is informing individuals that hackers stole personal information in the ransomware attack disclosed in February 2026.
Reported impact
An affected population has not been established in the accepted evidence.
Reported data types
names
Source evidence
1Read the original reporting and statements. Multiple articles may rely on the same underlying source.
SecurityWeek01Advantest Discloses Data Breach Months After Ransomware Attack - SecurityWeek
Published 7 Oct 2026Retrieved 3 Nov 2026
hackers stole personal information
Attributed reporting
1 more excerpt
names, dates of birth, contact information, SSNs, passport and driver’s license numbers, and medical and financial information
Attributed reporting
Updates and corrections
- Revision 1
Incident updated.