
Security Risk Assessment Preparation ◾ 93
© 2011 by Taylor & Francis Group, LLC
classication-based asset valuation techniques, but it provides the security risk
assessment team with more information as well.
4.4.3.4 Approach 4: Consensus Asset Valuation
Another approach to determining the value of an organization’s assets is to gain
a consensus estimate by a group of experts. e Delphi method, which involves
the use of at least three experts and a facilitator, is the most popular technique for
gaining consensus. e Delphi method was developed by the RAND Corporation
in 1969 and continues to be the standard for consensus-based estimat ...