Milos, I searched in the entire website and didn't locate the file or the dir that you mentioned. Talking with the development team, no one knew about this file. So, we take measures to make our site safer and we are sure that this file don't exist in our site.
If you could remove the access restriction I'd be very grateful.
Could you give me an estimate of time for the site to be accessible again, please?
Tech and Milos, thanks for the feedback.