What is the recommended practice for the following scenario?
If all users are part of a domain example: mydomain
The environment provides portals:
Portal1 & Portal2
All users of the mydomain have access to the Portal1 Domain, but you
want to limit a GROUP of the mydomain to only have access Portal2.
I know how to only grant access to Portal2, by just adding that GROUP
to security, but how can I prevent the GROUP from accessing Portal1
when all users of mydomain have been granted access?