GoKawiilRansomware hits Keio Corporation, disrupts hotel payment systems in Japan
Keio Corporation, a Japanese railway and hotel operator, confirmed a ransomware attack detected early Saturday that disrupted business systems, primarily affecting its hospitality division. The company shut down its network, reported the incident to police, and is investigating with external experts whether customer or partner data was accessed. Local media say the attack disrupted payment systems, while train operations appear unaffected.