teiss – News – Data breach at reservation partner exposes Singapore Airlines customer data
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Data breach at reservation partner exposes Singapore Airlines customer data
Singapore Airlines, the country’s flag carrier, has disclosed a major data security breach after its reservation technology provider, Amadeus, was targeted in a cyberattack.
In a statement to the media, Singapore Airlines revealed that its third-party reservation technology provider, Amadeus, had experienced a data breach, potentially exposing around 46,000 booking records processed through its systems between August 2023 and September 2026.
In October 2026, Amadeus, a Spain-based provider of travel technology solutions, announced a cybersecurity incident involving unauthorised access to its passenger booking infrastructure. The company discovered unusual activity across its reservation platform in September 2026 and subsequently alerted the airline partners concerned. The security breach potentially exposed passenger information stored and processed through Amadeus’ systems over the period from August 2023 to September 2026.
According to SIA, the compromised information included customers’ names, booking reference numbers, travel itineraries and booking classes. Additionally, data associated with approximately 620 bookings may have exposed email addresses, contact numbers, travel document details and KrisFlyer membership numbers.
SIA said it had notified the relevant authorities, including Singapore’s Personal Data ProtectionCommission (PDPC) and the Civil Aviation Authority of Singapore (CAAS), about the incident and is co-operating with them to invetsiate the incident.
Another airlines company affected by the incident, Cathay Pacific said Amadeus has notified it that the breach affected around 53,000 bookings.
“Amadeus has confirmed that it has taken actions to contain the incident, including a password reset, and has implemented enhanced monitoring and detection capabilities on its systems. To date, Amadeus has not identified evidence that the affected data has been misused,” Cathay Pacific said.
Other airlines reported to have been affected by the breach include Malaysia Airlines, Japan Airlines, All Nippon Airways (ANA), Qantas and Korean Air, raising concerns across the international aviation industry.
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