What software can check the user's computer for antivirus and updates?

Question

Information Security

Good afternoon, after setting up a VPN connection, how can I check a non-domain computer on OS Windows, Linux, MacOS for the presence of an antivirus, the degree of updating of the antivirus and the availability of the required updates?
by default, the verification servers must be located in the network perimeter, both client-server implementations and options via the web are possible, paid options are also considered

Answer 1

Hmm, I would limit it to a sandbox with the ability to download one ps script that does all this and sends the result to your server, then if everything is fine, then transfer the client to a normal network.
Usually they do this:
Instructions are attached to the boarding letter. How to set up cisco or another client. A couple of certificates and an executable or ps script.
However, there are other options.