Combo.txt — !full!

: They typically follow a username:password or email:password structure.

After a company suffers a security breach, attackers often dump stolen databases. These dumps contain hashed or (if the security was poor) plaintext passwords. Attackers then crack the hashes and format the results into combo.txt for easy distribution. combo.txt

In the context of cybersecurity and data breaches, a (or "combolist") is a plain-text file containing lists of compromised user credentials, typically formatted as email:password or username:password . combo.txt