Vietnam Airlines security incident

Voice phishing induced personnel to authorize a malicious connected OAuth application in Salesforce. Customer data exposed and leaked.

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Summary

  • Environment: Aviation
  • Operational impact: Customer data exposed and leaked
  • Financial impact: No financial figure is established by the reviewed source evidence
  • Record status: Developing record. Reviewed September 19, 2026; updated as evidence emerges.

What happened

In 2025, Vietnam Airlines experienced an incident in its aviation environment. The retained source describes the attack path as follows: Voice phishing induced personnel to authorize a malicious connected OAuth application in Salesforce. [1]

The documented consequence was: Customer data exposed and leaked. [1]

Impact

  • Documented impact: Customer data exposed and leaked. [1]
  • No financial loss, ransom amount, recovery cost, or regulatory penalty is established by the reviewed source evidence.

Threat Group & Attack Vector

The retained source describes the attack path as follows: Voice phishing induced personnel to authorize a malicious connected OAuth application in Salesforce. The canonical record does not add intrusion steps beyond those supported by the source. [1]

Actors

  • No threat actor group has been identified in the reviewed public evidence.

TTPs

Response

The reviewed source does not describe containment, notification, or restoration steps in enough detail to summarize them responsibly.

This account is bounded to Information regarding customer data breach. Details absent from that evidence are left unresolved rather than inferred. [1]