Phrase guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
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noun
A person or entity that conducts malicious activities against digital targets, particularly cyberattacks.
Definition source: English Wiktionary via Wiktextract
Qualifier: computer security
Synonyms: none provided
Antonyms: none provided
History
Likely US Government jargon, derived from actor (“one that takes part in an action”). First attested in 2000.
