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Computer Security Basics: Encryption

Category: Security

Tags: passwords

Overview Encryption is an ancient form of information protection that dates back 4,000 years. Encryption has taken on new significance in the modern computer age. It's a particularly effective way to protect sensitive information - for example, passwords - that's stored in a computer system, as well as information that's being transmitted over radio or microwave channels and communications lines. By changing or substituting or scrambling the order of letters and words, encryption has through the ages protected communications while they were being transmitted through a hostile environment - usually one involving war or diplomacy. Of course, once the message is received, it must be unencrypted to be meaningful.

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Publisher
O'Reilly Media
File Format
PDF
Date Published
Oct 10, 2007
Format
White Papers
Topics
Network Security

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