Travel and booking

Travelko

Travelko (run by Open Door Inc.) was hit in 1 recorded cybersecurity incident. The latest was disclosed on 2026-11-09.

About the service

Website

https://www.tour.ne.jp/

Run by

Category

Travel and booking

For

People

		Incident	Role	Impact level				Methods	Impacts		Status
2026-11-09	2026-11-09	OpenDoor: Travelko website breach exposes 381,926 email addresses	[Breached]	[Major]	[Major]	1 Open Door Inc.	Tokyo	[Intrusion]	[Data leak][Service outage]	381,926	[Contained]