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Unit 6.11

Intranet & Extranet

IT 231: IT and Applications (BBA)

What is an Intranet? 🏢

A private network contained within an enterprise used to securely share company information and resources among employees.

Functions like the Internet but is closed off to the public.
Uses firewalls for security.
Uses: Employee directories, internal memos, HR portals.

What is an Extranet? 🤝

An intranet that can be partially accessed by authorized outside users.

Securely shares business info with partners, vendors, or suppliers.
Requires authentication (VPNs, secure logins).
Uses: Supply chain management, client portals.

Comparing the Networks

Feature	Internet	Intranet	Extranet
Access	Public	Internal Employees	Trusted Partners
Security Level	Low	High	High

Thank You & Q&A