Bangladesh, Nov. 4 -- Singapore Airlines has disclosed that approximately 46,000 booking records may have been exposed in a cybersecurity incident involving Amadeus, its reservation technology provider.

The airline said on November 3 that the potentially compromised information included passengers' names, booking reference numbers, travel itineraries and booking classes.

In around 620 records, additional information such as email addresses, telephone numbers, travel document details and KrisFlyer membership numbers may also have been accessed.

Singapore Airlines said Amadeus had confirmed that no bank account or credit card information was exposed and that existing reservations had not been altered. The carrier also emphasized that it...