Likelihood Of Occurrence definition in Computer Security terms:
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 (NIST SP 800-30 Rev. 1)
NIST SP 800-30 (Adapted from CNSSI 4009)
reference: CSRC Glossary