Computer Security : Models and Techniques of Access Control

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Executive Summary

Today one can say that information security is addressed to find three characteristics or objectives, referred to information and / or computing resources: confidentiality, integrity and availability. The objective of privacy is defined as the prevention of access to information by anyone who is not authorized, the goal of integrity is to protect the alteration of data, information or computer resources by someone unauthorized; availability goal is the prevention of inaccessibility of information or computing resources to the claimants, as needed.

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