Singapore Airlines: about 46,000 booking records may be hit by Amadeus breach
Singapore Airlines says about 46,000 bookings may be exposed in the Amadeus breach, per Reuters. Amadeus says card and bank data were not leaked.
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what happened
Singapore Airlines said that a cyber incident at Amadeus, its reservation technology vendor, may have touched roughly 46,000 booking records, according to Reuters. Cathay Pacific, Japan Airlines, South Korea's Asiana and others have also reported that customer data was compromised, and Malaysia Airlines said some of its customer details may be affected.
According to the airline, the exposed information covers passenger names, booking reference numbers, itineraries and booking classes. For around 620 records, the email, phone, travel document and KrisFlyer details might also have been viewed by outsiders. Amadeus has confirmed that bank account and card details were not taken and that no bookings were altered.
Singapore Airlines stressed that its own IT systems were not breached. As a precaution, it is contacting customers with upcoming trips and asking them to change their booking reference numbers. Amadeus said it became aware of a weakness in a travel booking display environment but did not say how many customers were affected.
why it matters
For financial markets this is unlikely to be a major event, but it highlights cyber risks in airline IT supply chains. Cathay Pacific and Japan Airlines have reported 53,000 bookings and 92,000 customers affected, respectively.
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- Singapore Airlines says 46,000 booking records affected by Amadeus breach — Reuters, 4 November 2026 at 01:03 UTC
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