Your private images should stay private – not become part of an accidental "index of" page on the open web.
To mitigate the risks associated with publicly accessible parent directory indexes, it's essential to make them private. A private parent directory index offers several benefits: parent directory index of private images better
Quick fix; hides files but doesn't stop direct URL guessing. Your private images should stay private – not
including file names, last modified dates, and file sizes. last modified dates
What are you running? (Apache, Nginx, IIS, or a cloud provider like AWS/Firebase?)