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SynAc
Term

deauthentication

To revoke the authentication of; to cause no longer to be authenticated.

Senses

Sense 1

To revoke the authentication of; to cause no longer to be authenticated.

A deauthentication attack is a type of Denial of Service (DoS) attack and refers to an unauthorized disruption of the connection between a wireless device and its access point.

References
  • NICCS (CISA) Cybersecurity VocabularyJan 06, 2026
    NICCS glossary export (CSV)
    https://niccs.cisa.gov/rest/vocab/export-csv
    NICCS is a CISA (DHS) program. Individual glossary entries include a "From" attribution (e.g., CNSSI 4009, NIST SPs, NICE Framework). Treat "From" values as upstream provenance and verify before quoting large portions of text.
    Source: NICCS (CISA) Cybersecurity Vocabulary (niccs.cisa.gov).