home/dictionary/Challenge-Handshake Authentication Protocol

Challenge-Handshake Authentication Protocol

nouncandidate·updated May 9, 2026

The Challenge-Handshake Authentication Protocol uses a challenge/response authentication mechanism where the response varies every challenge to prevent replay attacks.

Framework senses

SANS Glossary of Security Terms1 senseview framework →
§1
The Challenge-Handshake Authentication Protocol uses a challenge/response authentication mechanism where the response varies every challenge to prevent replay attacks.