Copyright 2002 by
Prentice Hall, Inc.
8-20
3.Virtual Private Networks (VPN): maintains data
security as it is transmitted by using:
nTunneling: creates a temporary connection between a remote computer and the CLEC’s or ISP’s local data center. Blocks
access to anyone trying to
intercept messages sent over that link.
nEncryption: scrambles the message before it is sent and decodes it at the receiving end.
Security in the Internet Age: Countermeasures