Japanese insurer, brewer, manufacturer and telecom disclose cyber breaches

Multiple Japanese companies, including an insurer, brewer, manufacturer, and telecom provider, have recently disclosed significant cyber breaches impacting customer data and operational systems. The attacks range from a large data compromise at Aflac Japan to a ransomware attack attributed to the BlackField group targeting Nidec’s subsidiary. KDDI also experienced a breach exploiting a vulnerability in third-party software, potentially affecting a wide range of customers. These incidents highlight the growing threat landscape and the vulnerability of critical infrastructure within Japan.