Authentication, Authorization, & Encryption
Learn about three key concepts in Web Security: Authentication, Authorization, & Encryption.
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Key Concepts
Review core concepts you need to learn to master this subject
Authentication
Authorization
Encryption
Authentication in the 60’s and 70’s
Authentication in the 80’s through the 2000s
OAuth 2.0
Authentication
Authentication
Authentication is the verification of who a user is.
Single-factor authentication only needs one method of verification, usually a username and password.
Multi-factor authentication (MFA) requires at least two consecutive factors of verification. The most common implementation is a password followed by an access code sent to another device or service.
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