: Validated email and password pairs are used to hijack real accounts to send out massive waves of spam or targeted phishing campaigns.
Malicious actors trade or sell these files on the dark web and messaging platforms like Telegram. Once acquired, they are primarily used for:
: Attackers take the 20K combinations and feed them into automated cracking software like OpenBullet or SilverBullet. The software rapidly tests the logins across hundreds of different websites (like Netflix, banking portals, or social media) to see where they work.
A (short for combination list) is a plain text file containing lists of usernames or email addresses paired with passwords.
The existence of combolists proves why reusing passwords across different websites is highly dangerous. If one site gets breached, your credentials end up in a combolist, giving attackers access to your other accounts. Learn more about Password Combo List notification
: These lists are rarely from a single hack. Cybercriminals aggregate data from thousands of past data breaches, leaks, and infected machines to build massive databases.
: Credential pairs are standardly organized in a username:password or email:password format.
: If a hacker successfully matches a login to an account containing sensitive personal or financial information, it can lead to total identity theft. 🛡️ How to Protect Your Accounts