The Importance of IS Management

Prentice Hall, Inc.

8-21

nThree ways to use VPNs:

1.Remote Access VPNs: give remote employees a way to access an enterprise intranet by dialing a specific ISP.

2.Remote Office VPNs: give enterprises a way to create a secure private network with remote offices. The ISP’s VPN equipment encrypts all transactions.

3.Extranet VPNs: give enterprises a way to conduct e-business with trading partners.

Security in the Internet Age: Countermeasures