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Qilin Claims Asahi Ransomware Attack as Brewer Restarts Japanese Plants

The gang’s data‑theft boast heightens pressure on Japan’s cyber defenses.

Overview

  • Qilin listed Asahi on its dark‑web leak site on October 7, asserting it stole about 9,300 files totaling roughly 27 gigabytes.
  • The group posted images purportedly showing budgets, contracts and personal data, which have not been independently verified.
  • Asahi confirmed a ransomware incident and an unauthorized transfer of data, stating that investigations and system restoration continue.
  • Domestic breweries have resumed operations with alternative shipping processes, yet shipments remain constrained and some retailers report shortages.
  • Japan’s chief cabinet secretary pledged stronger nationwide cybersecurity measures as security trackers described Qilin as highly active in 2025.