Japan's Keio confirms ransomware attack disrupted business systems

By Bill Toulas · BleepingComputer · Monday, 28 September 2026 at 20:56 (2d ago) · Original article ↗

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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Japan's Keio confirms ransomware attack disrupted business systems

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