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Asahi Group Cyberattack Exposes Data of 2 Million Customers

First seen 27 Nov 2025, 09:33 UTC • Thecyberexpress

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Asahi Group Holdings is facing a ransomware attack that has persisted for nearly three months, with CEO Atsushi Katsuki stating the company will not negotiate with the hackers. Recent investigations revealed that personal information of approximately 2 million customers, employees, and external contacts may have been compromised following a disruption on September 29.

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Attack Flow

11 entities, 15 inferred relationships (STIX 2.1).

Technique (2)

Data Breach
Ransomware

Organization (7)

Asahi Group
Asahi Group Holdings
Asahi Group Holdings, Ltd
Askul
Davita
Jaguar Land Rover
Marks and Spencer

Threat Actor (2)

Asahi
Qilin

Relationships

Asahi uses Data Breach
Asahi uses Ransomware
Qilin uses Data Breach
Qilin uses Ransomware
Asahi targets Asahi Group
Asahi targets Asahi Group Holdings
Asahi targets Asahi Group Holdings, Ltd
Asahi targets Askul
Qilin targets Asahi Group
Qilin targets Asahi Group Holdings
Qilin targets Asahi Group Holdings, Ltd
Qilin targets Askul
Asahi related to Davita
Asahi related to Jaguar Land Rover
Asahi related to Marks and Spencer

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Asahi Group Cyberattack Exposes Data of 2 Million Customers

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