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Vietnam Airlines data breach

From Breaches, in the HARD wiki · Updated
This article is about the June 2025 breach of Vietnam Airlines. For every breach, see Breaches.

The Vietnam Airlines data breach exposed 7,316,915 accounts from vietnamairlines.com in June 2025. The data taken includes dates of birth, names, email addresses, phone numbers and loyalty program details.[1]

Have I Been Pwned verified it and added it to its search on 11 Oct 2025, 4 months later. It is the 155th largest of the 618 breaches in HARD’s list.

What was exposed

Vietnam Airlines’s breach included 5 kinds of data. What each lets criminals do:

DataWhat it’s used for
Dates of birthUsed to prove who you are to banks and phone companies.
NamesMakes scam messages personal enough to believe.
Email addressesExpect scam emails that name the company to look genuine.
Phone numbersExpect scam texts and calls, and a higher risk of someone moving your number to their SIM.
Loyalty program detailsPersonal details that make scam messages more convincing.

What to do

  1. Check whether you’re in it.Search your email address on Have I Been Pwned. It tells you which breaches it appears in, Vietnam Airlines among them, without showing the data.
  2. Distrust messages that mention Vietnam Airlines.Scammers use breach data to sound genuine. Don’t click links in emails or texts about the breach; go to the site yourself.
  3. Put a PIN on your phone account.Ask your mobile provider for a port-out PIN, so no one can move your number to their SIM.

Timeline

  • : the breach, as best it can be dated.
  • : Have I Been Pwned verifies the data and adds it to its search, 4 months later.
  • : the entry was last updated.

Similar breaches

Breaches that leaked the same kinds of data, closest in time:

See Breaches for all 618, and Updates for keeping your devices patched.

References

  1. ^ Troy Hunt. “Vietnam Airlines”, Have I Been Pwned, added 11 Oct 2025. Breach data licensed CC BY 4.0.