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Computer Security Resource Center

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probability of occurrence

Abbreviation(s) and Synonym(s):

likelihood of occurrence

Definition(s):

  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):
CNSSI 4009-2015 under likelihood of occurrence from NIST SP 800-30 Rev. 1

  See likelihood of occurrence.
Source(s):
CNSSI 4009-2015 from NISTIR 7298 Rev. 2