Because many people reuse the same password across multiple sites, the bot eventually finds a match. That match is then saved into this .txt file.
They use bots to "stuff" those same credentials into the Sony Liv login page. 250 Sony Liv Accounts cap.txt
Refers to the number of account credentials (email/username and password pairs) contained in the text file. Because many people reuse the same password across
Visit Have I Been Pwned to see if your email address has been part of a known data breach. 250 Sony Liv Accounts cap.txt