TERM

deauthentication

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

Updated

Jan 06, 2026

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.

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.

NICCS (CISA) Cybersecurity Vocabulary

Bibliography

NICCS (CISA) Cybersecurity Vocabulary
Accessed Jan 06, 2026Quoted
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).