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Security


Security Concept

Confidentiality

Data is available ONLY for those who are suposed to have access to it.
This can be accomplished by
– First, require strong authentication for any access to data.
– Second, use strict access controls.
– Third, ensure encryption of the data so that it cannot be intercepted, and cannot be accessed during transmission or transport.

Integrity

Integrity as a concept means that there is resistance to alteration or substitution of data, and/or that such changes are detected and provable.

Availability

Data can be overwritten, deleted, or destroyed.

Authenticity

Authenticity address the issue of the sender or the generator of the data. How can we make sure that the sender is the correct one.

STRIDE Approach

STRIDE, an acronym for Spoofing, Tampering, Repudiation, Information Disclosure, Denial of Service, and Elevation of Privilege

Threat Security Property
Spoofing Authentication
Tampering Integrity
Repudiation Non-repudiation
Information disclosure Confidentiality
Denial of service Availability
Elevation of privilege Authorization

Reference

[1] http://msdn.microsoft.com/en-us/magazine/cc163519.aspx

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