What is OAuth2 and OpenID Connect?

Let’s break down two buzzwords you’ve probably heard in the world of web security:
OAuth 2.0 and OpenID Connect.

OAuth 2.0 is like giving someone a valet key — limited access without handing over your master keys.
It lets apps request permission to access your data — like your Google Drive or GitHub profile — without needing your password.

But wait — what if the app also needs to know who you are?

That’s where OpenID Connect comes in.
It’s built on top of OAuth 2.0 and adds authentication — so apps not only get access, but also know you’re you.

Think of OAuth as authorization, and OpenID Connect as authentication + identity on top.

Together, they power secure logins like ‘Sign in with Google’ — without compromising your credentials.

Pretty slick, right?

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