Individual, group, organization, or government that conducts or has the intent to conduct detrimental activities.
Source(s):
CNSSI 4009-2015
from
NIST SP 800-30 Rev. 1
NIST SP 800-30 Rev. 1
under Adversary
from
DHS Risk Lexicon
An entity that is not authorized to access or modify information, or who works to defeat any protections afforded the information.
Source(s):
NIST SP 800-107 Rev. 1
under Adversary