How to protect a website on Bitrix from hijacking?

Question

CMS

There is a site on Bitrix, we need to work on it. The specialist is new, remote, how to protect yourself so that there are no surprises (hijacking or code damage)? Maybe I'm worrying for nothing?

I pass the admin. She is the only one.

Answer 1

1) Create a git repository;
2) Conduct test development on another server/locally;
3) Deploy the finished result to a working server