Is it possible to authenticate a user in VirtualBox?

Question

Network administration

is it possible to use special software (I think built into the vpn client) to identify a windows user - find out the mac host of the machine, the serial number of the motherboard processor, and by the way, what else can you find out ???
if the user goes out like this:
2 virtual machines are running on the host
of the first - 1 (one) network card has the connection type "internal network" and the address is 192.168.100.2
the second has 2 (two) network cards and one of them has the connection type "internal" network" and the address 192.168.100.1, being the gateway of the first
and the second adapter has a connection type - network bridge and is in the same network segment as the host
this is a simplified scheme (it was once the first test right now it's still more and more complicated in short), right now picture will

Answer 1

Read about fingerprint and you will have an understanding.