Key Facts
• November 27, 2025: Asahi Holdings CEO Atsushi Katsuki held a press conference.
• September 29, 2025: Cyberattack impact publicly disclosed for the first time.
• Over 1.9 million personal data entries potentially leaked, including:
– 1.525 million customer inquiries and consultations.
– 114,000 external contacts for celebratory or condolence messages.
– 107,000 employee records, including retirees.
– 168,000 family member records of employees, including retirees.
• October 7, 2025: Hacker group “Qilin” claimed responsibility, releasing 29 internal document images.
• Hackers allegedly stole 9,300 files, totaling at least 27 GB of data.
• October 14, 2025: Asahi confirmed potential personal data leaks.
• System disruptions temporarily halted product orders and shipments.
• Manual order processing resumed for key products like “Super Dry” beer.
Summary
Asahi Holdings CEO Atsushi Katsuki publicly addressed the September 2025 cyberattack for the first time on November 27, 2025. The attack caused significant system disruptions and exposed over 1.9 million personal data entries, including customer, employee, and family member information. Hacker group “Qilin” claimed responsibility, releasing internal documents and alleging the theft of 27 GB of data. Asahi resumed operations manually for key products like “Super Dry” beer while expanding shipments. The company apologized for the inconvenience and continues to investigate the breach.
