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Computer Security Art and Science, 2nd Edition
book

Computer Security Art and Science, 2nd Edition

by Matt Bishop
November 2018
Intermediate to advanced content levelIntermediate to advanced
1440 pages
48h 29m
English
Addison-Wesley Professional
Content preview from Computer Security Art and Science, 2nd Edition

Chapter 7

Availability Policies

LADY MACBETH: Alack, I am afraid they have awak’d, And ’tis not done. Th’ attempt and not the deed Confounds us. Hark! I laid their daggers ready; He could not miss ’em.

Macbeth, II, ii, 10–13.

Confidentiality and integrity policies describe what can be done once a resource or information is accessed. Availability policies describe when, and for how long, the resource can be accessed. Violations of these policies may occur unintentionally or deliberately.

7.1 Goals of Availability Policies

An availability policy ensures that a resource can be accessed in some way in a timely fashion. This is often expressed in terms of “quality of service.” As an example, a commercial website selling merchandise will need ...

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Publisher Resources

ISBN: 9780134097145