Definition(s)
Attacker
An individual, group, organization, or government that executes an attack.
Extended Definition: A party acting with malicious intent to compromise an information system.
Adapted from: Barnum & Sethi (2006), NIST SP 800-63 Rev 1
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