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The Power of Delegated Authorization: How OAuth 2.0 Builds Digital Trust

November 30, 2025

22 min read

Ale Heredia

Discover how OAuth 2.0 enables trusted delegation of access through an engaging story about three entities working together, then dive deep into the technical details with sequence diagrams, historical context, and a practical GitHub integration example.

securityauthenticationauthorizationoauthoauth2openid-connect

Understanding RBAC: The Foundation of Modern Authorization Systems

November 27, 2025

16 min read

Ale Heredia

A friendly introduction to Role-Based Access Control (RBAC), exploring how this powerful standard shapes authorization in AWS IAM, GCP, GitHub, and countless other platforms we use every day.

securityauthorizationrbacaccess-controlbest-practices

Why I Decided to Focus on Security

November 23, 2025

6 min read

Ale Heredia

My journey from struggling with password managers and MFA to researching OTP standards and compliance requirements, leading to a focus on building authentication and authorization solutions.

securityauthenticationauthorizationgrant-platform