Asahi has confirmed it has been the victim of a ransomware attack, resulting in an “unauthorized transfer of data” from its servers. The Japanese brewing company provided an update on 3 October 2025, one week after disclosing that it had been targeted by a cyberattack, which forced it to suspend some domestic operations in Japan. The company established an Emergency Response Headquarters to investigate the incident, which discovered that the attack was related to ransomware.
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