Information Communication Technology ICT – 4 Networks and the effects of using them | e-Consult

An intranet is a private network accessible only to an organization's employees. Its purpose is to facilitate internal communication, information sharing, and access to company resources. Typically, only employees have access to an intranet. It often hosts internal documents, policies, staff directories, and internal applications.

An extranet is a controlled network that allows selected external users, such as customers, suppliers, or partners, to access specific parts of an organization's intranet. Its purpose is to facilitate collaboration and information exchange with external stakeholders. Specific authorized external users have access, often with limited permissions.

The public internet is a global network of interconnected networks. Its purpose is to provide access to a vast range of information, services, and resources to anyone with an internet connection. Anyone with an internet connection can access the public internet. It is open and accessible to the general public.