OAuth 2.0

Concept

An open authorization standard that decides what an app can reach on a user's behalf using scoped access tokens; it is not a login system on its own, which is why OpenID Connect adds sign-in on top.

Title graphic: OAuth 2.0 (Concept)

Tipo	Concept
Documentação	learn.microsoft.com/en-us/azure/active-directory/fundamentals/auth-oauth2

Articles about OAuth 2.0 (7)

SAML vs. OpenID Connect: como escolher o protocolo certo para o Microsoft Entra ID
2026-10-30 · Mirko Peters
Compare os protocolos SAML e OpenID Connect (OIDC) no Microsoft Entra ID. Saiba as principais diferenças técnicas, os casos de uso e quando escolher cada padrão.
ID Token versus Access Token: a diferença crucial no OpenID Connect
2026-10-28 · Mirko Peters
Descubra as diferenças essenciais entre ID tokens e access tokens no OpenID Connect e entenda por que confundi-los cria falhas de segurança graves.
Desmistificando o OAuth 2.0 no Microsoft Graph: permissões delegadas versus permissões de aplicativo
2026-08-11 · Mirko Peters
Bem-vindo de volta ao blog! Se você tem se aprofundado na automação do Microsoft 365, provavelmente já esbarrou nas limitações dos conectores nativos e dos scripts tradicionais. Li
SAML vs OpenID Connect: Choosing the Right Protocol for Microsoft Entra ID
2026-10-30 · Mirko Peters
Compare SAML and OpenID Connect (OIDC) protocols in Microsoft Entra ID. Learn the key technical differences, use cases, and when to choose each standard.
ID Token vs Access Token: The Crucial OpenID Connect Difference
2026-10-28 · Mirko Peters
Discover the critical differences between ID tokens and access tokens in OpenID Connect, and learn why mixing them up creates severe security flaws.
Demystifying OAuth 2.0 in Microsoft Graph: Delegated vs. Application Permissions
2026-08-11 · Mirko Peters
Welcome back to the blog! If you have been diving deep into Microsoft 365 automation, you have likely run into the walls built by native connectors and traditional …
How to Manage User Accounts with the Microsoft Exchange Online Admin API
2026-03-09 · Mirko Peters
Explore the Exchange Online Admin API, a REST-based alternative to Exchange Web Services (EWS). Manage Exchange Online user accounts effectively.

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Sources

Documentation: learn.microsoft.com/en-us/azure/active-directory/fundamentals/auth-oauth2
Feed for this topic (RSS): entity/oauth-2-0/feed.xml
Articles on this topic: 7

Maintained by Mirko Peters (Microsoft MVP) · Last updated: 2026-11-03