oidc Archives - Igor Venturelli

OAuth2 Scopes and Claims: Fine-Grained Access Control

Master OAuth2 scopes and claims to secure APIs with fine-grained access control and build trust

In today’s interconnected world, securing access to APIs is paramount. OAuth2, a widely adopted authorization framework, offers mechanisms to control resource access efficiently. Among its tools for refining access control, scopes and claims stand out. These features provide a way to define what a client can access and under what conditions, allowing developers to implement fine-grained permissions for their applications.

Defending OAuth2: Advanced Tactics to Block Replay Attacks

Prevent OAuth2 replay attacks with advanced strategies like PKCE, state parameters, and secure tokens

Replay attacks pose a significant threat to OAuth2 authorization flows, allowing attackers to capture and reuse legitimate requests or tokens to impersonate users or gain unauthorized access. These attacks can undermine the trust and security of your application if not properly mitigated. In this post, we’ll explore how replay attacks work, their impact on OAuth2, and advanced strategies to prevent them.

Understanding the Differences Between OAuth2 and OpenID Connect (OIDC)

OAuth2 authorizes access and OIDC authenticates users. Learn their key differences and use cases

In the world of modern application security, OAuth2 and OpenID Connect (OIDC) play critical roles in authentication and authorization. While the two protocols often work hand-in-hand, they serve distinct purposes. Misunderstanding their differences can lead to implementation pitfalls, so let’s break it down in a straightforward way.

Demystifying Social Logins: How OAuth2 Powers Seamless Authentication

Social logins have become a staple of the modern web experience, offering a fast, convenient way for users to authenticate using their existing social media or service accounts, such as Google, Facebook, or Twitter. But behind these seemingly simple buttons lies a complex process, and at the heart of it is OAuth2, the industry-standard protocol for authorization. In this article, we’ll dive into how social logins work, breaking down the key components, players, and flow of authentication. We’ll also explore how OpenID Connect, an extension of OAuth2, enhances the process by enabling identity verification.

OAuth2 vs. OpenID Connect: Understanding the Differences

When it comes to secure authorization and authentication in modern web applications, two protocols often come into play: OAuth2 and OpenID Connect (OIDC). Understanding the differences between these two can help you choose the right one for your needs. Let’s delve into a detailed comparison of OAuth2 and OIDC, their use cases, and when to choose each.

Access Token or ID Token? Which to Use and Why?

Welcome back to our journey through the intricacies of OAuth2 and OpenID Connect (OIDC). In this post, we’ll explore the distinction between access tokens and ID tokens, shedding light on when and why you should use each in your applications. So, let’s dive into the world of secure authentication and authorization!