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The 8 Principles Of Web Security

        posted by , February 28, 2011

Web security is based upon 8 basic principles — these are the goals of security.

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Authentication

Confirm something is authentic. Example: confirming the identity of a user.

Authorization

Specify access rights to resources. Example: only Joe can view Joe's account balance.

Confidentiality

Prevent the disclosure of information to unauthorized individuals or systems. Example: message encryption.

Data / Message Integrity

Data cannot be modified or corrupted without detection.

Availability

Web sites need to be available and fast. Example: many websites can boast 99.99% uptime.

Accountability

When a person or system accesses or changes data their actions should be traceable. Example: logging

Non-repudiation

The ability to prove that a transaction took place. Example: electronic receipts.

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