An Illustrated Guide to OAuth and OpenID Connect

In the “stone age” days of the Internet, sharing information between services was easy. You simply gave your username and password for one service to another so they could login to your account and grab whatever information they wanted! Yikes! You should never be required to share your username and password, your credentials, to another service. There’s no guarantee that an organization will keep

[matsnow]

英語だけど絵でわかりやすく解説されてていい感じ。

[braitom]

OAuthとOpenID Connectを漫画みたいなイラストを使って分かりやすく解説している