Japan cloud ransomware attack exposes municipal backup vulnerabilities
By Genta Nakanishi ( October 8, 2026, 08:01 GMT | Insight) -- A ransomware attack on SoftBank-owned cloud provider IDC Frontier has exposed vulnerabilities in Japanese municipalities' disaster-recovery arrangements, with at least one prefecture reporting that it was unable to access its backup data after the provider's systems went down. The attack affected 495 corporate and municipal customers, raising concerns about cloud-service dependence, backup arrangements and the ability of local governments to restore services after cyberattacks.A ransomware attack on a SoftBank-owned cloud provider has exposed vulnerabilities in Japanese municipalities' disaster-recovery arrangements, with at least one prefecture unable to access its backup data after the provider's systems went down....
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