If you are a website owner: Do not rely on obscure folder names. Do not trust "just for a week." Disable directory listings globally.
If you are a regular user: Not to your personal blog, not to a shared drive, not to a "private" cloud folder. The only secure JPG is one that never touches a public-facing server. index of private jpg
And if you ever see an index of /private in your search results, remember: behind every JPG file name is a person who made a mistake. Don’t exploit it. Report it. Stay safe. Audit your directories. And never assume "private" means protected. If you are a website owner: Do not