There are numerous services that will let you host static pages for free or nearly free. There are also numerous services that sit in front of your website that can block bots and reduce load on your origin server, many of which are also free, or very low cost relative to the service they provide.
The situation you are in is far less dire sounding when you consider that you have these options available to you.
So your employer is having a problem, and prevents you from using any of the available options to solve it? And you have asked them about all of them/told them about the problem? They don't like saving money?
The situation you are in is far less dire sounding when you consider that you have these options available to you.