Causative agent of a threat action.
Source: DNVGL-RP-G108, Cyber security in the oil and gas industry based on IEC 62443, DNV GL, September 2017. Global Standards
An individual, group, organization, or government that conducts or has the intent to conduct detrimental activities.
Adapted from: DHS Risk Lexicon.
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