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Japanese railway operators
Trends
- 1Keio Group Hit by Ransomware Attack▼Keio Group Ransomware Attack Disrupts Retail Payments and Hotel Services Keio Corporation disclosed a ransomware attack
Keio Corporation, the Japanese railway and hospitality conglomerate, disclosed a ransomware attack that disrupted payment systems, loyalty programs, and hotel reservation services across several group companies. The company isolated the affected networks, notified police, and is investigating the incident. The attack highlights how cyber incidents on transport groups can cascade into retail and hospitality operations.