Vietnam Airlines said Tuesday that a data breach involving a third-party customer-service platform may have exposed passenger information. It links the carrier to a wider cyber incident that has affected dozens of global companies.

The Vietnamese firm said the issue stemmed from a system “operated by a global technology partner” and that “unauthorized access may have occurred to certain customer data processed through this platform.”

In a statement on October 14, the carrier said it had taken action “in coordination with relevant authorities, cybersecurity experts, and its third-party partner to investigate the breach, assess potential impact, and strengthen data protection.”

It emphasized that payment information, pass