Malaysia Airlines has advised customers to remain vigilant following a cybersecurity incident involving Amadeus, its third-party airline reservation technology provider.
In a statement issued on 31 October, the national carrier said certain customer information processed through Amadeus between August 2023 and September 2026 may have been affected.
Malaysia Airlines emphasised that its own information technology systems had not been compromised and that there was currently no evidence of customers’ financial information being accessed.
The airline is working with Amadeus and relevant parties to investigate the incident and assess its potential impact.
Other Asian Airlines Report Data Exposure
Several international airlines have also reported customer information exposure linked to the Amadeus incident.
Cathay Pacific confirmed that approximately 53,000 bookings were affected. The information involved included passenger names, booking references and flight details, with additional personal information potentially accessed in a smaller number of cases.
Japan Airlines separately reported that approximately 92,000 customers were affected by unauthorised access to reservation records.
South Korea’s Asiana Airlines was also among the carriers identified in reporting concerning the incident.
Amadeus has acknowledged a security vulnerability affecting a travel booking environment and has taken measures to contain the incident.
The overall number of affected customers across the airline industry has not been established.
Malaysia Airlines Advises Customer Vigilance
As a precaution, Malaysia Airlines has encouraged customers to remain alert to suspicious or unsolicited communications, particularly those requesting personal or financial information.
The airline said protecting customer information remains a priority and that further updates would be provided as more details become available.
The incident highlights the cybersecurity challenges associated with interconnected airline reservation systems and third-party technology providers.
The number of Malaysia Airlines customers potentially affected, and the precise categories of information involved, have not yet been disclosed.


