Definition
Authentication is the process of verifying the identity of a user, device, or system before granting access to resources. It typically involves credentials such as passwords, biometrics, security tokens, or digital certificates.
Frequently Asked Questions
Related Terms
Authorization
Authorization is the security process that determines whether an authenticated user or system has permission to access a specific resource or perform a particular action. It follows authentication and enforces access policies.
Multi-Factor Authentication
Multi-Factor Authentication (MFA) is a security method that requires users to provide two or more verification factors to gain access to a resource. It combines something you know (password), something you have (token), and something you are (biometrics).
Access Control
Access control is a security mechanism that regulates who or what can view, use, or interact with resources in a computing environment. It enforces policies that grant or deny permissions based on user identity, role, or other attributes.
Single Sign-On
Single Sign-On (SSO) is an authentication method that allows users to access multiple applications and services with one set of login credentials. SSO improves user experience, reduces password fatigue, and centralizes authentication management.
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