An Intranet is a private network within a company or an enterprise and is more generally deployed to facilitate the sharing of resources within the company. Intranets are usually connected to the internet and can be used to connect various locations and Virtual Private Networks to form an interlinked network that serves its employees to share the data on the network and also to hold conferences and message with each other to collaborate with each other.

Intranets are usually connected to the Internet through a firewall to screen all incoming and outgoing data to provide security to the Intranet and prevent any unauthorised access to the private data. Intranets are very widely used on corporate networks and has become a necessity in many corporations.