Your Login May Be Exposed: alunos.estacio.br Leak Hit 9,399 Accounts

HEROIC analysts uncovered a combolist tied to the alunos.estacio.br domain, uploaded by a Telegram user on June 10, 2026. The file contains 9,399 records, each pairing an email address with a plaintext password and the URL that login was used on. Why This Is Dangerous: These records need no decoding. Each line gives an attacker a working email, its exact password, and the site it opens, everything required to log straight into an account. What Was Exposed: - Email addresses - Plaintext passwords - URLs tied to each credential pair Why This Matters: For the 9,399 people in this file, the risk starts the moment the list is downloaded. Attackers routinely automate credential stuffing, testing each stolen email and password combination against other sites in bulk. If any of these passwords were reused elsewhere, that reuse can lead directly to account takeover, identity theft, or financial fraud. How a Combolist Like This Works: A combolist is a compiled file of stolen or leaked login pairs, often gathered from earlier breaches or malware infections, and organized by the domain each credential belongs to. Domain-specific combolists like this one make it easy for an attacker to zero in on a particular group of users instead of working through unrelated data. Check If You Are Affected: HEROIC's free breach scanner checks your email against more than 400 billion exposed records, including this alunos.estacio.br leak. Run a free scan now to find out if your credentials appear.