Bleepingcomputer iconBleepingcomputerSep 28, 2026

Japan's Keio confirms ransomware attack disrupted business systems

Keio Corporation (Keio), a major private railway operator in Japan, said its network was hit by a ransomware attack over the weekend, disrupting some of its business systems.

Japan's Keio confirms ransomware attack disrupted business systems

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Keio Corporation (Keio), a major private railway operator in Japan, said its network was hit by a ransomware attack over the weekend, disrupting some of its business systems.

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Keio Corporation (Keio), a major private railway operator in Japan, said its network was hit by a ransomware attack over the weekend, disrupting some of its business systems.

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