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What is the general formula for categorization of an information type developed in FIPS Publication 199, “Standards for Security Categorization of Federal Information and Information Systems? 



A. SC information type = {(confidentiality, risk), (integrity, risk), (availability, risk)}
B. SC information type = {(confidentiality, controls), (integrity, controls), (availability, controls)}
C. SC information type = {(assurance, impact), (integrity, impact), (authentication, impact)}
D. SC information type = {(confidentiality, impact), (integrity, impact), (availability, impact)}

This question is part of (ISC)2 Guide to the CAP Review Questions
Asked by Chrisjkent, Last updated: Sep 08, 2020

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2 Answers

BISSYOJO

BISSYOJO

BISSYOJO
BISSYOJO

Answered Jun 02, 2018

FIPS 199 establishes security categories for an information type and information systems.

A security category is a function of the potential impact on information or information systems as a result of threat realized exploiting a system vulnerability.

The security category, SC, of an information type is given by the formula:
SC information type = {(confidentiality, impact), (integrity, impact), (availability, impact)}, where the acceptable values for potential impact are LOW, MODERATE, HIGH, or NOT APPLICABLE


The formula for the SC of an information system is given as:
SC information system = {(confidentiality, impact), (integrity, impact), (availability, impact)}, where the acceptable values for potential impact are LOW, MODERATE, or HIGH. (A value of NOT APPLICABLE cannot be applied to the impact level of an information system.)

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chrisjkent

chrisjkent

chrisjkent
Chrisjkent

Answered Jun 02, 2018

SC information type = {(confidentiality, impact), (integrity, impact), (availability, impact)}
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