In my previous deep dive, I explored Authentication.
This time I look at the other half of system security, Authorization.
From simple role checks to OAuth based delegation, this post walks through how modern systems enforce Authorization.
https://www.bytefork.dev/how-authorization-works/
How Authorization Works

Authentication verifies identity. But identity alone does not secure your system. Authorization is the other half that controls what each user can actually do once they're inside.

ByteFork