. If "directory listing" is enabled in server software like Apache or Nginx and a developer forgets to upload an index file or set proper permissions, Google’s bots can crawl every file in that folder, making it searchable by anyone. How to Protect Your Site
: To enhance privacy and security, the indexing process is decentralized. This means that the data is not stored in a central repository but is instead distributed across a network, making it harder to breach.