TaiLieu Data Breach

What happened?

In November 2019, the Vietnamese education website TaiLieu allegedly suffered a data breach exposing 7.3M customer records. Impacted data included names and usernames, email addresses, dates of birth, genders and passwords stored as unsalted MD5 hashes. The data was provided to HIBP by dehashed.com after being shared on a popular hacking forum. TaiLieu did not respond when contacted about the incident.

When did it happen?

The breach date in the public record is November 24, 2019. The record was added to the catalogue on May 3, 2020 and last updated there on May 3, 2020.

What information was reported as exposed?

• Dates of birth
• Email addresses
• Genders
• Geographic locations
• Names
• Passwords
• Phone numbers
• Usernames

These are incident-level categories. The record does not prove that every category was exposed for every affected person.

Who may be affected?

This record may be relevant to people who had an account or other relationship with TaiLieu or used tailieu.vn around November 24, 2019. A catalogue entry does not establish that every customer was affected or that every listed data category applied to each person. Compare the record with an official notice addressed to you.

What should you do?

Choose actions that match the information involved. If you find signs that someone is using your identity, the Federal Trade Commission provides a personal recovery plan at IdentityTheft.gov.