Definition(s)
Work Factor
An estimate of the effort or time needed by a potential adversary, with specified expertise and resources, to overcome a protective measure.
Adapted from: CNSSI 4009.
Source: NICCS™ Portal Cybersecurity Lexicon, National Initiative for Cybersecurity Careers and Studies (https://niccs.us-cert.gov/glossary) as of 11 November 2015, Global Standards