OAuth 2.0 revolutionized application authorization, providing a robust framework for granting limited access to resources without sharing credentials. However, its widespread adoption revealed significant vulnerabilities, particularly for public clients such as single-page applications or mobile apps that cannot securely store a client_secret. This is where PKCE (Proof Key for Code Exchange) steps in, addressing these weaknesses and fortifying the Authorization Code flow.
OAuth2 and PKCE: Enhancing Security for Public Clients
PKCE strengthens OAuth2 by thwarting code interception attacks. Learn why it’s essential and how to implement it in your apps securely