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○InfoOtherMonitoringBackfillMedia reportedDec 29, 2025· updated Nov 7

According to Security NEXT, Nippon Travel Agency and JR West discovered on November 28, 2025, that passenger records for certain TWILIGHT EXPRESS Mizukaze departures were missing from a data server .

Nippon Travel Agency and JR West Report Loss of Approximately 900 Twilight Express Mizukaze Passenger Records, Deny Data Breach