Keio Corporation confirmed a ransomware attack on its servers that disrupted some business and hospitality systems, while train operations were not affected. Tokyo Metro also disclosed a separate cyber incident that exposed 59,000 member email addresses, and it is unclear whether the two events are connected. #KeioCorporation #TokyoMetro
Keypoints
- Keio Corporation confirmed a ransomware attack on its servers.
- The company shut down its network to prevent further damage.
- The incident mainly affected Keio’s hospitality business, not train operations.
- Keio said it is investigating whether customer or partner data was accessed.
- Tokyo Metro separately reported unauthorized access and exposure of 59,000 member email addresses.