Advantest — Cyber Attacks, Breaches & Threat Activity

Threat entity extracted from intelligence sources

Frequency
5
occurrences
First Seen
February 19, 2026
Last Seen
February 19, 2026

Related Threat Clusters

  • 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…

    21 articles · Updated February 19, 2026

Recent Intelligence Reports

  • Leading Japanese semiconductor supplier responding to ransomware attack — Therecord.Media · February 19, 2026
  • Japan's Advantest reports ransomware attack — Mlex · February 19, 2026
  • Advantest Responds to Ransomware Cybersecurity Incident -- Update — Marketwatch · February 19, 2026
  • Advantest Responds to Ransomware Cybersecurity Incident — Update — Morningstar · February 19, 2026
  • Advantest's Early Probe Finds Unauthorized Access in Ransomware Attack; Financial, Data ... — Marketscreener · February 19, 2026

CVSS v3.1 Breakdown