Learn the key differences between PAP, CHAP, and EAP authentication protocols and understand how they secure user access to networks and systems. This simple guide explains password-based authentication, challenge-response mechanisms, and extensible authentication methods.
ISSUE #45Published: 7/16/2026
PAP CHAP EAP simply Explained
Ankur Srivastava
Deputy-CISO / CISSPCyber Security & Business Continuity Expert with over 15 years of experience orchestrating InfoSec Governance, risk mitigation frameworks, and disaster recovery architectures. CISSP | M.S. in Cyber Laws & Information Security (IIIT).
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