Amadeus breach exposes 46,000 Singapore Airlines booking records
Singapore Airlines said on Nov. 3 that a third party illegally accessed about 46,000 booking records through Amadeus, its reservation-technology provider. Names, itineraries and booking references were exposed; around 620 records may include contact and travel-document details, but no bookings were changed.
By DoomRadar · Published on DoomRadar . Updated .
How the effects could reach youConditional effects
Based on two sources with available article excerpts. Source-linked claims are not independent confirmation.
Event date: Singapore Airlines disclosed the affected records on Nov. 3, 2026. [1][2]
What happened
Singapore Airlines said data illegally accessed through Amadeus included customers’ names, booking-reference numbers, travel itineraries and booking classes. The breach was at the reservation provider, not SIA’s own information-technology systems. [1][2]
References for this detail (2)
- 46,000 SIA booking records accessed illegally in data breach affecting software provider Amadeusstraitstimes.com · Article published: Nov 3, 2026, 12:51 PM UTC
- Singapore Airlines says 46,000 booking records may have been affected in Amadeus cyber breachnews.webindia123.com · Recorded source date: Nov 4, 2026, 9:47 AM UTC
About 620 of the affected booking records may also contain email addresses, phone numbers, travel-document details and KrisFlyer membership numbers, according to the reporting carried by Reuters. [2][1]
References for this detail (2)
- 46,000 SIA booking records accessed illegally in data breach affecting software provider Amadeusstraitstimes.com · Article published: Nov 3, 2026, 12:51 PM UTC
- Singapore Airlines says 46,000 booking records may have been affected in Amadeus cyber breachnews.webindia123.com · Recorded source date: Nov 4, 2026, 9:47 AM UTC
SIA said no bookings were modified. Amadeus said bank-account and credit-card information was not exposed, limiting the reported incident to booking and personal-information records rather than payment data. [1][2]
References for this detail (2)
- 46,000 SIA booking records accessed illegally in data breach affecting software provider Amadeusstraitstimes.com · Article published: Nov 3, 2026, 12:51 PM UTC
- Singapore Airlines says 46,000 booking records may have been affected in Amadeus cyber breachnews.webindia123.com · Recorded source date: Nov 4, 2026, 9:47 AM UTC
As a precaution, Singapore Airlines is contacting customers with upcoming travel plans and changing their booking-reference numbers to reduce the risk of unauthorised access to reservations. [2]
References for this detail (1)
- Singapore Airlines says 46,000 booking records may have been affected in Amadeus cyber breachnews.webindia123.com · Recorded source date: Nov 4, 2026, 9:47 AM UTC
The breach was part of a wider Amadeus incident affecting customers of several airlines. The reports name Cathay Pacific, Japan Airlines, Asiana Airlines and Malaysia Airlines among carriers that disclosed potentially affected information. [2]
References for this detail (1)
- Singapore Airlines says 46,000 booking records may have been affected in Amadeus cyber breachnews.webindia123.com · Recorded source date: Nov 4, 2026, 9:47 AM UTC
Context from the sources
Amadeus said it had identified a vulnerability affecting a travel-booking display environment, but did not tell Reuters how many customers were affected across all airlines. [2]
Explore the sources and reporting timeline
2 source links · 2 domains
These counts describe the references, not independent confirmations. Different outlets can repeat the same original report.
Source timeline
Oldest to newest among the available source dates, not a chronology of the incident. Article publication dates come from the source; other recorded dates may reflect when a link was found.
- [1] 46,000 SIA booking records accessed illegally in data breach affecting software provider Amadeusstraitstimes.comReferenced for: detail 1, detail 2, detail 3
- [2] Singapore Airlines says 46,000 booking records may have been affected in Amadeus cyber breachnews.webindia123.comReferenced for: detail 1, detail 2, detail 3, detail 4, detail 5
What this could mean for you
Affected travellers may receive convincing scam messages about flights or reservations.
Names, booking references and itineraries can make phishing or impersonation attempts appear genuine.
Reported basis: [1][2] · The possible effect is interpretation.
Depends on: An attacker must obtain or use the exposed records and contact affected customers.
Some passengers may need updated reservation details before managing upcoming bookings.
SIA is changing booking-reference numbers as a precaution after the breach.
Reported basis: [2] · The possible effect is interpretation.
Depends on: The passenger’s record is among those affected and the airline issues a replacement reference.
Possible time frame: days, if those conditions hold.
Possible consequences, not a forecast. Their relevance depends on your location and the conditions above.
For your country
Choose a country to check how this event could affect you.
What changes the outlook
Risk increases if…
A confirmed misuse of exposed booking or contact details would turn the privacy breach into an active fraud risk.
A broader confirmed count from Amadeus would increase the known scale of the incident.
Pressure eases if…
Singapore Airlines completes contact with affected customers and replaces their booking references.
Amadeus closes the reported vulnerability and confirms the affected environment is secure.
Still unclear
The identity of the person or group that accessed the records is not established in the available reporting.
The total number of customers affected across Amadeus-linked airlines remains unclear.
Market implications
Market impact
Sources (2)
References for the reported details. Separate links do not necessarily mean independent confirmation.
Available excerpt
Sign up now: Get ST's newsletters delivered to your inbox About 46,000 SIA booking records were accessed illegally in a breach at Amadeus, including names,…A short excerpt from our source record; open the original for the full article.
Available excerpt
The airline said the information potentially accessed included customers' names, booking reference numbers, travel itineraries and booking classes. Additional personal information, including email addresses, phone…A short excerpt from our source record; open the original for the full article.
First tracked by DoomRadar: . AI-assisted analysis · . Based on linked headlines and available excerpts. Methodology · Report an error.