Cathay Pacific Amadeus Data Breach Exposes 53000 Passenger Bookings

Cathay Pacific announced on October 30, 2026, that an unauthorized party accessed travel reservation data held by booking technology company Amadeus, affecting approximately 53,000 bookings. Deeparrival.com, Paddley Too, and The Business Times all report that the Hong Kong carrier joined a growing list of major international airlines caught up in the security incident. Amadeus provides flight sales, check-in, and reservation services for hundreds of global air carriers. [1][2][5]

Deeparrival.com and 102.7 WBOW both report that the breach exposed roughly 53,000 passenger bookings. Most of the affected records contained booking references, passenger names, and flight details. Deeparrival.com added that a smaller set of files contained customer contact details, travel document information, or frequent flyer numbers, according to a statement from Cathay Pacific. [1][5][7]

Deeparrival.com reported that Cathay Pacific found no evidence showing payment information was accessed during the incident. The airline stated that it will contact affected customers individually to notify them about the compromised data. Travelers who have flown with or booked Cathay Pacific in recent years are advised to stay alert for potential scams that attempt to use specific trip details. [1]

Paddley Too reported that the software breach occurred in a third-party vendor system that handles booking management, revenue management, and flight operations. Cathay Pacific confirmed it is taking steps to address the incident alongside Amadeus. [1][2]