Bangkok:Thai Airways International has disclosed a security breach involving passenger booking information stored in the Amadeus reservation system, accessed by an unauthorized party between August 10, 2023, and September 23, 2026.

According to Thai News Agency, Amadeus IT Group S.A., which provides reservation and passenger services to Thai Airways, informed the airline about the incident. Investigations have revealed that approximately 60,529 records were compromised, including passenger names, booking reference numbers, travel dates, flight routes, and class of service.

An additional 376 records may have included sensitive information such as email addresses, phone numbers, passport numbers, nationalities, frequent flyer numbers, flight details, ticket information, and seat assignments. Importantly, Thai Airways confirmed that no credit card information was affected in the breach.

The airline clarified that the breach did not originate from its internal systems, and flight operations and service delivery remain unaffected. In response to the incident, Amadeus terminated the user accounts involved in the unauthorized access, reset passwords for affected accounts, and enhanced monitoring measures to prevent future occurrences.

Thai Airways has reported the breach to relevant authorities and is collaborating with Amadeus to further investigate the matter. The airline intends to notify affected passengers individually once the details are verified and has expressed regret for any concern or inconvenience caused by the incident.