When a web server (like Apache or Nginx ) doesn't have a default landing page (like index.html ), it may default to showing a list of every file in that folder. This is called .

htaccess code to block these types of directory searches on your server?

Why "Index of Password.txt" Is a Goldmine for Hackers (and a Nightmare for You)

When a user leaves a file named password.txt or credentials.pdf in one of these open folders, it becomes searchable by web crawlers. How This "Work" Leads to Data Breaches

In Apache, you can add Options -Indexes to your .htaccess file .