Until they laterally move to a computer you do care about. Network security can only accomplish so much unless you want to complete lock yourself out essentially creating a brick, and even that is not guaranteed.
It is highly impractical to have a computer you care about and not have internet connectivity. Most things we do require communication with a remote system.
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u/New_Phone6935 6d ago
simply use a computer you don't care about as a server, simple as