: If you are concerned your own data is in such a file, it is safer to use services like Have I Been Pwned to check your status securely.

When a website misconfigures its server, search engines like Google or Bing can index the directory listing. That means anyone can find password.txt files containing real login credentials for:

: Hackers use these search strings to find exposed files on misconfigured servers to steal credentials.

: Hackers take these "extra quality" or verified lists to try the same combinations on other popular sites like Facebook.