Authentication
A Comprehensive Guide to Modern Authentication Mechanisms, Protocols, Standards and Best Practices Authentication is at the core of every digital interaction. Whether you’re logging in to a banking app, requesting data from an API or granting temporary access to a third-party service, authentication defines who you are and whether you should be allowed to proceed. Over the past decades, authentication has evolved from simple username–password checks to sophisticated, multi-stage, cryptographically secure protocols designed to protect users and services across distributed, cloud-first environments. ...