Administrators occasionally back up websites into zip files and leave them in the root directory. If directory privacy is turned off, anyone can find and download these backups. They often contain user databases, configuration keys, and proprietary source code. Targeted Exploits
For everyday users, these links act as accidental public file repositories. For website administrators, they represent a misconfiguration that leaks underlying server structures. How People Find Open Directories (Google Dorking) index of files link
location / autoindex off; # default behavior Administrators occasionally back up websites into zip files