Treat every password as if it is already in such a file. Use a password manager to generate unique, random passwords for each site. Enable MFA everywhere. You cannot control breaches, but you can control your own exposure.
https://mail.google.com|john.doe@gmail.com|Password123 https://netflix.com|john.doe@gmail.com|Password123 https://chase.com|john.doe@gmail.com|Password123 The attacker loads the list and configures the tool to target a website's login API. urllogpasstxt top
Audit your systems. Are you storing credentials in plain text? Are you logging failed logins? Are you checking for breached passwords? The cost of implementing these defenses is tiny compared to the cost of a single urllogpasstxt leak that lists your entire customer base. Treat every password as if it is already in such a file
A simple script reads each line: