Japan Airlines (JAL) and Japan Transocean Air (JTA) have announced that systems operated by their passenger service system provider, Amadeus IT Group, were subject to unauthorized access, with evidence indicating that some reservation information may have been viewed externally. They received a report from Amadeus on October 23.
The incident affects some 92,000 customers with reservation records for flights carrying JL or NU flight numbers between August 10, 2023, and September 23, 2026. The affected information comprises reservation data that existed in Amadeus’ systems during this period; it does not refer to reservation or ticket purchase dates, or travel dates.
For approximately 90,000 customers, reservation numbers, names, travel dates, flight sectors, and travel classes may have been accessed. For a further approximately 2,000 customers, the information may also have included contact details, passport numbers, nationalities, mileage membership numbers, airlines, flight numbers, ticket numbers, and seat information.
No credit card numbers or passwords were compromised. Amadeus has already implemented the necessary security measures and says that no unauthorized use of the information has been confirmed.
The airlines said they will contact affected customers individually and take measures including warnings about suspicious emails and phone calls impersonating the JAL Group, as well as redirects to fraudulent websites.
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