Audit Information systems & IT Security
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Audit Information systems & and IT Security

Information System audit and IT Security

Definitions and Terminology

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algorithm


clearly specified mathematical process for computation; a set of rules that, if followed, will give a prescribed result.

source: ISO18031, 2005

A step-by-step procedure for solving a problem in a finite number of steps. As applied to encryption, an algorithm is a secret formula used to encrypt and decrypt messages.

source: Champlain, Auditing Information Systems:2003


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