What the JohnDoeProject Breach Means for Your Online Security

HEROIC found: On March 12, 2025, a Telegram user uploaded a stealer log through JohnDoeProject, exposing 80,463 records containing email addresses, plaintext passwords, and URLs from compromised endpoints and services.

Why the JohnDoeProject Breach Is Dangerous

The JohnDoeProject breach is dangerous because it exposes 80,463 sets of real user credentials in plaintext form, giving attackers everything they need to impersonate victims online. The combination of email addresses, passwords, and URLs allows cybercriminals to precisely target the services each victim uses.

What Was Exposed in the JohnDoeProject Leak

• Email addresses
• Plaintext passwords
• URLs associated with compromised accounts and services

Why This JohnDoeProject Data Puts You at Risk

Your online security is at risk if your credentials appeared in the JohnDoeProject breach. Attackers use exposed email and password pairs in credential stuffing campaigns that test logins across hundreds of popular websites automatically. Even one reused password can compromise your bank account, email, or social media profile.

How Stealer Logs Work

Infostealer malware is silently installed on victim devices through phishing attacks, malicious ads, and compromised downloads. It captures passwords stored in browsers and applications, recording everything before transmitting the data to criminal infrastructure. These logs are then sold or freely shared on Telegram, where other threat actors use them for account takeover and fraud.

Check If Your Data Was Exposed

HEROIC operates one of the world's largest breach databases, covering more than 400 billion leaked records. Use HEROIC's free breach scanner to check if your email address or credentials appeared in the JohnDoeProject leak or thousands of other breaches in our database.