Authentication and authorization - Azure App Service
How Microsoft Aims to Cure Azure AD Authentication Problems with
Manage authentication services between applications (8.6)
VIP Authentication Services and VIP User Services
Authentication as a Service (AaaS)
Implementing an Authentication Service Architecture
Service-to-service authentication & authorisation patterns
Authentication as a Service mechanism
SAP Identity Authentication Service (IAS)
authentication - Microservice security: How to perform
Central Authentication Service (CAS) - Information Technology