# Duolingo

> Canonical HTML: https://h1dr4.dev/bases/duolingo
> Machine index: https://h1dr4.dev/llms.txt

This is one of the most famous sites for learning foreign languages. In January 2023, through the vulnerability in the API of this site, it was downloaded from it by 2.6 million users. The hacker at the “hacking” simply went through various e -mails and received logins, users' names, registration dates, countries of residence, studied and native languages. The leak was published in August 2023.

## Indexed metadata

- Email: 2,685,807
- Nick: 2,627,727
- Full name: 1,672,687

## Index context

- Record ID: database_238
- Numeric ID: 238
- Indexed bases: 5259
- Raw contents hosted by H1DR4: no
- Intended use: sourced investigative context and historical exposure research
- Reference URL: https://h1dr4.dev/bases/duolingo