Category: Authentication Authorization

Introduction Authentication is one of the most crucial parts of any web application. Whether you are building a social media platform, an e-commerce website, or an enterprise dashboard, secure authentication ensures that only authorized users can access specific data or features. This comprehensive post combines everything you need to know to build a complete, secure…

Introduction Modern web applications rely heavily on secure authentication and authorization mechanisms to protect user data and maintain trust. One of the most widely adopted standards for this purpose is JSON Web Token (JWT). JWTs enable stateless, scalable authentication in distributed systems, making them ideal for APIs, mobile apps, and microservices. However, JWT-based authentication introduces…

Introduction Every web application or API built with Node.js exposes certain endpoints that allow clients—such as browsers, mobile apps, or third-party services—to interact with it. These routes are often gateways to critical data and functions. However, leaving them unprotected can lead to severe security risks, including data theft, unauthorized operations, and application compromise. Protecting your…

Introduction Authentication is a critical part of web application development. It ensures that only authorized users can access protected resources while maintaining the security and privacy of sensitive data. When it comes to implementing authentication in modern web applications, developers often face a choice between two primary methods: session-based authentication and token-based authentication. This post…

Overview OAuth is a widely used authorization standard that enables applications to access user information from third-party services without requiring users to share their passwords. It is particularly useful for implementing “Login with Google”, “Login with Facebook”, or “Login with GitHub” functionalities. In Node.js, integrating OAuth allows your application to provide secure authentication and authorization,…

OverviewIn modern web applications, it’s crucial to control what different users can see and do. Role-Based Access Control (RBAC) is a system that assigns roles to users, such as admin, editor, or viewer, and restricts access to certain routes or features based on those roles. RBAC helps enforce security, maintain proper access privileges, and prevent…

Authentication is a fundamental aspect of web applications and APIs. Traditional session-based authentication can be cumbersome, especially in distributed systems or stateless APIs. JSON Web Tokens (JWT) have become a popular solution for stateless authentication, allowing servers to securely verify the identity of users without storing session data. In this post, we will explore what…

Introduction In modern web applications, user authentication is a critical component. One of the most important aspects of authentication is ensuring that user passwords are stored securely. Storing plain-text passwords in a database is a severe security risk; if the database is ever compromised, all user accounts are immediately vulnerable. To prevent this, developers use…

Introduction User authentication is a critical component of modern web applications. It ensures that users can securely register, log in, and access protected resources. Implementing authentication correctly is essential for protecting user data, preventing unauthorized access, and maintaining trust with your users. In this post, we will guide you through the initial setup of user…

Overview Authentication and authorization are two critical pillars of web application security. They ensure that the right users can access the right resources while keeping unauthorized users out. In Node.js, implementing authentication and authorization securely is essential for protecting sensitive user data, maintaining application integrity, and preventing unauthorized access to private resources. Authentication is the…