A private portion of a company’s Internet network that is accessible to customers and/or vendor…

➤ How does an extranet differ from an intranet or a VPN?
An intranet is internal to employees, while an extranet grants external partners limited access to internal applications. A VPN creates a secure tunnel for remote users but does not itself manage partner permissions. Extranets combine authentication, access control lists, and perimeter protections like firewalls or DMZ hosting to enable safe partner collaboration.