July 2019 AST Magazine AST July 2019 Magazine | Page 68

CAIRA
is a quantitative assess-
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ment that differs from a qual-
itative assessment because it
uses fixed numerical values,
which have been field tested
for accuracy, to evaluate the
hazards, target criticality,
vulnerabilities and risks.
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Because risk is quantifiable,
the results of the analysis
can be used as the basis for
making informed decisions
by organizational leaders for
allocating resources – facili-
ties, funding, property and
personnel.
In CAIRA, security counter-
measures are selected
based on their likelihood
of lowering the risk to the
Although performing a detailed risk
asset, as well as, their cost effective-
assessment is complicated, follow-
ness.
ing the CAIRA methodology makes
In many cases, risk analysis and risk it manageable.
management become an optimization
analysis that examines risk reduction
values (due to implementing counter-
measures) and the associated costs to
implement the identified remedies
through a simple cost–benefit study.
The results are tailored to an orga-
nization’s needs and can be used
to make informed decisions in the
allocation of resources to mitigate
risks.
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