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likelihood

Abbreviation(s) and Synonym(s):

None

Definition(s):

  Chance of something happening.
Source(s):
NIST SP 800-160 [Superseded] (ISO 73)

  A weighted factor based on a subjective analysis of the probability that a given threat is capable of exploiting a given vulnerability
Source(s):
NIST SP 800-161 under Likelihood (CNSSI 4009)

  A weighted factor based on a subjective analysis of the probability that a given threat is capable of exploiting a given vulnerability or a set of vulnerabilities.
Source(s):
NISTIR 7621 Rev. 1 under Likelihood (CNSSI 4009-2015 - “likelihood of occurrence”, NIST SP 800-30 Rev. 1)

  chance of something happening
Source(s):
NISTIR 8053 (ISO/IEC 27000:2014)