Incidents on Sep 2, 2026

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Incidents on Sep 2, 2026
Date	Target	Summary	Classification	Source links
Sep 2, 2026 LEAK-059	Seibu Railway "Seibu Tabisuru Resutoran 52-seki no Shifuku"	D About 500 peopleDue to a configuration error when a staff information-sharing feature was added to the reservation site, encoded information including personal data was viewable from outside from January 9, 2025 to August 27, 2026. Names, contact details and other data of about 500 people were affected, including special-needs information for about 30.	Misdelivery & accidental exposureConfirmedOfficial statement	seiburailway.jp scan.netsecurity.ne.jp