two tier networks - Predominately Intranet for us with the Internet being tightly regulated and restricted to access by Government and corporations

That's how it is in the Cyberpunk universe. There's the sanitized corporate public internet patrolled by netcops, and then unrestricted cyberspace where dangerous AIs roam freely waiting to fry the brains of overly adventurous netrunners. That's also the only place you can find real information.