Encryption Technology Overview
When prominent Internet sites, such as www.cnn.com, are exposed to security threats, the news reaches all parts of the globe. Ensuring that data across any IP network is secure and not prone to vulnerable threats is one of today's most challenging topics in the IP storage arena (so much so that Cisco released an entirely new CCIE certification track).
Major problems for network administrators include the following:
Packet snooping (eavesdropping)— When intruders capture and decode traffic obtaining usernames, passwords, and sensitive data, such as salary increases for the year
Theft of data— When intruders use sniffers, for example, to capture data over the network and steal that information for later use
Impersonation— ...
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