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Duolingo

High

Duolingo faced a breach exposing 2.6M records, including names, usernames, and private email addresses.

Records exposed
2,676,696 records
Breach date
Breach Jan 24, 2023
Last update
Updated Aug 23, 2023

What data was exposed?

Fields reported as compromised in this breach record.

Email addressesNamesSpoken languagesUsernames

Why does this breach matter?

In-depth analysis of the breach and its implications.

In January 2023, Duolingo encountered a data security incident involving 2.6 million records exposed through a vulnerable API. The compromised data comprised email addresses, names, learning preferences, usernames, and experience points. Despite certain information being publicly accessible by design, the association of private email addresses with user details presents intensified privacy risks.

Impact Analysis

Understanding the scope and consequences of this breach.

User Impact
Users may face targeted phishing or credential stuffing attempts due to accessible private email addresses.
Business Impact
Duolingo's reputation and trust may be undermined, with potential regulatory scrutiny for data handling practices.
Affected Sectors
  • Education Technology
Geographic Impact
  • Worldwide

What You Should Do

Recommended actions to take in response to this breach.

If You Were Affected

  • Change login credentials associated with the affected email addresses.
  • Enable two-factor authentication for Duolingo.
  • Monitor email activity for signs of phishing attempts.

Preventive Measures

  • Avoid using the same password across multiple accounts.
  • Use unique securities for APIs and monitor access for anomalies.
  • Educate users on avoiding phishing and credential attacks.

Frequently Asked Questions

Common questions about this breach and what it means for you.

Exposed data included names, email addresses, usernames, learning preferences, and experience points.