Measure

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For the term which is synonymous to "countermeasur", "safeguard" or "control", please refer to entry Control.

Definitions

Standard Definition

ISO standards

Variable to which a value is assigned as the result of measurement [1]. The term “measures” is used to refer collectively to base measures, derived measures, and indicators [2]. Measurement refers to a process to determine a value [2].

In the context of information security the process of determining a value requires information about the effectiveness of an information security management system and its associated controls using a measurement method, a measurement function, an analytical model, and decision criteria.

  • Measurement function is algorithm or calculation performed to combine two or more base measures [3].
  • Measurement method is logical sequence of operations, described generically, used in quantifying an attribute with respect to a specified scale [4]. The type of measurement method depends on the nature of the operations used to quantify an attribute. Two types can be distinguished:
* subjective: quantification involving human judgment;
  • objective: quantification based on numerical rules.

6 © ISO/IEC 2014 – All rights reserved2.51 measurement results one or more indicators (2.30) and their associated interpretations that address an information need (2.31)


See also

Notes