This paper presents a type of verification technique that securely protects access to any restricted material by showing different random challenge on each access attempt. Each challenge generates a ...

Microsoft announced that it will disable the 30-year-old NTLM authentication protocol by default in upcoming Windows releases due to security vulnerabilities that expose organizations to cyberattacks.

An authentication method that proves the identity of users logging into a network. When a user logs in, the access server or authentication server sends a random number (the challenge) to the client.

A comprehensive developer guide to implementing secure authentication in modern applications. Covers OAuth 2.0, OIDC, passwordless authentication, passkeys, and enterprise SSO with production-ready ...