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  1. What Is Authentication? Definition and Methods | Microsoft Security

    Authentication is the process that an individual, application, or service goes through to prove their identity before gaining access to digital systems.

  2. Authentication - Wikipedia

    The term digital authentication, also known as electronic authentication or e-authentication, refers to a group of processes where the confidence for user identities is established and presented via …

  3. What is Authentication?Types, Roles & How it Works!

    Sep 27, 2024 · Authentication is a cornerstone of digital security, serving as the first defense against unauthorized access to sensitive information and systems. This article delves into the concept of …

  4. What is Authentication? How It Works, Types, Importance

    2 days ago · Learn what authentication is, explore different authentication methods, and understand how modern security protects users, devices, and applications.

  5. What is authentication? - IBM

    Authentication is a fundamental component of information security strategy. It is particularly important to identity and access management (IAM), the cybersecurity discipline that deals with how users …

  6. What is authentication? - Cloudflare

    In cyber security, authentication is the process of verifying someone's or something's identity. Authentication usually takes place by checking a password, a hardware token, or some other piece …

  7. AUTHENTICATION Definition & Meaning - Merriam-Webster

    The meaning of AUTHENTICATION is an act, process, or method of showing something (such as an identity, a piece of art, or a financial transaction) to be real, true, or genuine : the act or process of …

  8. What is Authentication? Definition and uses - Auth0

    Authentication is more than a definition when it comes to identity. Learn about all the ways authentication is used as the core of securing your business.

  9. What Is User Authentication? A 2025 Guide - Frontegg

    Aug 19, 2024 · User authentication is the foundation of secure access in every digital environment, from enterprise SaaS platforms to customer-facing mobile apps. At its core, it’s the process of verifying …

  10. Authentication - GeeksforGeeks

    Feb 10, 2026 · Authentication is the process of confirming the identity of a user, device, or system by validating provided credentials before granting access to a network or its resources.