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10/27/13

What is VPN?

Virtual Private Network.

Using IPSec (Internet Protocol Layer Security), a company can communicate securely in the nonsecure public Internet. IPSec is part of VPN.

For example: Consider a company that has a large number of travelling salespeople, each possessing a company laptop computer. Suppose the salespeople need to frequently consult sensitive company information (for example, pricing and product information) that is stored on a server in the company's headquarters. Further suppose that the salespeople also need to send sensitive documents to each other. VPNs can do it all.

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