Authentication Service

Citrix Federated Authentication Service

Service-to-service authorization: A guide to non-user principals

SafeNet Authentication Service - Cybersecurity Excellence Awards

Azure AD expands integration with SAP Identity Authentication Service - Microsoft Community Hub

GitHub - perforce/helix-authentication-service: [Officially Supported] Helix Authentication Service

Quest Authentication Services

Cloud Authentication Service Overview - RSA Community - 622888

Introduction of Web Auth Service

Identity Web Services Architecture (Sun OpenSSO Enterprise 8.0 Technical Overview)

authentication - Microservice security: How to perform authorization + services also need auth checks individually? - Information Security Stack Exchange

Password, Session, Cookie, Token, JWT, SSO, OAuth - Authentication Explained - Part 1

Service-to-service authentication & authorisation patterns, by Kalpa Senanayake

Confluence Mobile - Apache Software Foundation