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Windows Server 2003 Security: A Technical Reference by Roberta Bragg

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Classic Security Principles: Confidentiality, Integrity, and Accounting

The next step in learning about security is understanding and implementing the three classic security principles: confidentiality, integrity, and accounting (CIA). Confidentiality is the ability to keep things secret. Integrity is ensuring that things remain the same unless a change is authorized. Accounting, sometimes referred to as auditing, is the process of making sure that things are the way they are supposed to be.

What About Availability?

Some information security professionals use the A in CIA to stand for availability. In a security context, availability means that information should be available to those who are authorized to use it. This is an important concept. ...

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