The search query filetype:xls inurl:passwordxls verified is a specialized "Google Dork" used in cybersecurity to identify Excel files that may contain sensitive login credentials unintentionally indexed by search engines. Understanding the Google Dork Syntax
The attacker downloads the file. It’s unprotected (no Excel password) and contains a sheet named "Verified Credentials" with rows like: filetype xls inurl passwordxls verified
To prevent your files from being discovered by this or similar dorks: Use robots.txt : Configure your site’s robots.txt filetype xls inurl passwordxls verified