About 62,700,000 results
Open links in new tab
  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. What is Authentication? | Definition from TechTarget

    Nov 1, 2023 · Authentication is the process by which a person or system verifies that they are who they say they are. Learn how it works and when it's used.

  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. Authentication - Wikipedia

    In contrast with identification, the act of indicating a person or thing's identity, authentication is the process of verifying that identity. [1][2] Authentication is relevant to multiple fields.

  5. 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 …

  6. What is Authentication? Definition and uses - Auth0

    In computer science, this term is typically associated with proving a user’s identity. Usually, a user proves their identity by providing their credentials, that is, an agreed piece of information shared …

  7. What Is Authentication: Types, Best Practices & Use Cases

    Jun 26, 2025 · Authentication is how digital systems ensure users (or devices and services) are who they claim to be, using everything from passwords to fingerprints. Think of it like staying at a hotel: a …

  8. What Is Authentication? - Coursera

    Oct 21, 2025 · Learn about authentication, its purpose, and how it identifies users for a server or client. Authentication is a security process that ensures only users with permission can access information, …

  9. What is Authentication | Authentication Definition | Malwarebytes

    Authentication is a cybersecurity method that helps verify the identity of a system or a user. The most common authentication method is through usernames and passwords. Other authentication …

  10. What is Authentication? Process, Methods & Cybersecurity Guide

    Mar 29, 2021 · Authentication is the process of verifying that a user, device, service, or application is genuinely who it claims to be. It’s the first layer of digital security and the checkpoint every access …