Public index of directories often lack HTTPS. Any file downloaded can be intercepted via man-in-the-middle attacks. Moreover, the downloader’s IP address is logged by the server operator, which could be a malicious actor setting a trap.
The "Index of Kaksparsh Patched" has not been without controversy. Some of the concerns surrounding this index include: index of kaksparsh patched
System administrators may intentionally create fake index structures to audit how their intrusion detection systems respond to directory traversal or file access attempts. Public index of directories often lack HTTPS