Phrase guide

Sybil attack

noun · 1 senses · updated from the 2026-07-25 local source snapshot

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.

Sound

Pronunciation

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1

noun

Meaning 1

An attack that subverts a reputation system by forging a large number of identities in peer-to-peer networks.

Definition source: English Wiktionary via Wiktextract

Qualifier: computer security

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Named from Sybil, a book about a woman diagnosed with dissociative identity disorder; suggested by Brian Zill at Microsoft Research.