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. ...

September 7, 2025 · 9 min · 1780 words · me

JWT

Understanding JSON Web Tokens (JWT) In the realm of modern web applications, ensuring secure and efficient user authentication is crucial. JSON Web Tokens (JWT) have emerged as a popular solution for this purpose. This blog post will break down what JWTs are, how they work, their benefits, and provide a basic implementation along with security best practices. What are JWTs? JSON Web Tokens (JWT) are an open standard (RFC 7519) for securely transmitting information between parties as a JSON object. They are used for authentication and information exchange in a compact, URL-safe manner. A JWT is essentially a token that can encapsulate user and permission data, which can be verified and trusted. ...

January 12, 2025 · 4 min · 721 words · Me