: Hackers often compile massive text files (combolists) from numerous smaller breaches. These files are then traded on underground forums to automate login attempts on various websites.
A "combolist" (short for combination list) is a text file containing lists of usernames or email addresses paired with passwords, typically used for . 2.2M USA Combolist.txt
If you are concerned that your information is part of a list with this name, you can verify your security status using the Have I Been Pwned database. Who's Been Pwned : Hackers often compile massive text files (combolists)