Singapore Airlines reveals that 46,000 booking records were potentially exposed following a cybersecurity breach at its reservation technology provider, Amadeus. Other major global airlines have. Information including email addresses, phone numbers, travel document details, and KrisFlyer membership numbers may also have been accessed for about 620 booking records, the company. Singapore Airlines confirms a data breach via Amadeus, affecting 46,000 bookings. No payment data leaked, but sensitive info exposed.