157,549 Herodote Breach: Plaintext Passwords Exposed

HEROIC analysts discovered a database breach affecting Herodote, a French online educational platform dedicated to world history. The breach occured in April 2020 and exposed 157,549 unique user records. The leaked data included email addresses, plaintext passwords, and full names, leaving students and educators at direct risk of account compromise and identity misuse.

Plaintext Passwords Combined With Real Names: Immediate Identity Risk

Combining a person's real name with their email address and plaintext password gives attackers everything needed to impersonate that individual. This data is accessible to anyone who obtained the Herodote database, enabling targeted phishing, unauthorized account access, and identity theft across any platform where the victim reused the same credentials.

What Was Exposed in the Herodote Breach

• Email Address
• Plaintext Password
• First Name
• Last Name

Why Educational Platform Breaches Carry Lasting Credential Risk

Educational platforms attract users who often beleive hobby or learning accounts carry less risk, so they reuse passwords from work or banking logins. When a breach like Herodote exposes plaintext credentials alongside full names, credential stuffing attacks on corprate systems, account takeover attempts, and identity theft become straightforward. The seperate issue of plaintext storage means every exposed password is immediately usable without any cracking required.

How Database Breaches Work

A database breach occurs when an attacker gains unauthorized access through SQL injection, server misconfiguration, or stolen credentials. Once access is obtained, user tables are exported and the data is distributed on dark web forums. Platforms that store passwords in plaintext rather than using hashing algorithms create the worst-case outcome: every password is immediately readable and exploitable by threat actors.

Check If Your Data Was Exposed

HEROIC's free breach scanner searches over 400 billion leaked records to check whether your email appeared in the Herodote breach or any other compromised database. Run a free scan at HEROIC to find out instantly if your credentials were exposed to threat actors.