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Qilin Ransomware Group Targets Japanese Beverage Giant Asahi in Cyberattack

Qilin ransomware group stole over 9,300 files and disrupted production at six beer plants, with operations resuming but delays continuing, cybersecurity experts said.

  • Claiming responsibility, Qilin said on Tuesday it hacked Asahi Group Holdings on September 29, 2025, stealing around 9,300 files totaling about 27 gigabytes of data.
  • Qilin, active since 2022 with 870 claimed attacks, operates a ransomware-as-a-service network and posted 29 images it says are internal Asahi documents.
  • Operationally, Asahi Breweries faced system failures forcing production halts at many domestic factories while order, shipping and call‑center operations were disrupted; it remains unclear when systems will be fully restored.
  • Asahi said it is conducting an investigation and declined to disclose contact with the hackers, while Proofpoint's Yukimi Sota noted `The hackers were probably unable to extort ransom money through direct negotiations with Asahi, so they are trying to apply further pressure by releasing the documents` as of Wednesday.
  • From October 15th, Asahi Breweries will partially resume shipments of several products while postponing new product launches after production restarted on October 2.
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Malware Analysis, News and Indicators broke the news in on Tuesday, October 7, 2025.
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