Tenets of Information Security: The C-I-A Triad

The practice of securing information involves ensuring three main attributes of information. These three attributes are often called the tenets of information security, or the C-I-A triad. Some security professionals may refer to it as the A-I-C triad, but the concept is the same. The three tenets of information security are:

  • Confidentiality—The assurance that the information cannot be accessed or viewed by unauthorized users is confidentiality.

  • Integrity—The assurance that the information cannot be changed by unauthorized users is integrity.

  • Availability—The assurance that the information is available to authorized users in an acceptable time frame when the information is requested is availability ...

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