Hello. I only was wondering if I may ask question?

Recently my website suddenly was missing index.html file.

Of course I am trying to figure out what happened, server somehow deleted it? I doubt it.

I have a politically sensitive site (well hated by rich company that I expose) so I was wondering if hacking my webhost server and deleting index.html is somthing a hacker would do or maybe just some kind of accident?

Thanking you very much