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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 4

Security Policies

PORTIA: Of a strange nature is the suit you follow; Yet in such rule that the Venetian law

Cannot impugn you as you do proceed.[To Antonio.] You stand within his danger, do you not?

The Merchant of Venice, IV, i, 177–180.

A security policy defines “secure” for a system or a set of systems. Security policies can be informal or highly mathematical in nature. After defining a security policy precisely, we expand on the nature of “trust” and its relationship to security policies. We also discuss different types of policy models.

4.1 The Nature of Security Policies

Consider a computer system to be a finite-state automaton with a set of transition functions that change state. Then:

Definition 4–1. A security policy ...

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Publisher Resources

ISBN: 9780134097145