Enterprise OAuth 2.0 - Enterprise and Social Media Application Landscape

Security Basics - Providers

• User, Identity
  • Where are the user credentials stored?
• Authentication
  • Who does this? IDP
  • How does it happen?
• Authorization
  • Application does this
  • Uses information from IDP

Security Basics - Homegrown

• Identify
  • Stored in application database
• Authentication
  • Done by application
• Authorization
  • Done by application
• Not recommended

Security Basics - LDAP

• Identity
  • Stored in LDAP database
  • Microsoft Active Directory
• Authentication
  • Done by LDAP(AD)
• Authorization
  • Done by Application
• LDAP and Application in same data center

Security Basics - SAML(Security Assertion Markup Language)

• Communicating across data centers(use HTTP Redirect)
• Identity
  • Stored in LDAP database
  • Microsoft Active Directory
• Authentication
  • SAML Identity Provider does the authentication
  • ADFS
• Authorization
  • Application controls it
  • Can use LDAP groups
• SAML Metadata File
• Trust between
  • SAML Identity Provider
  • SAML Service Provider
• SAML Response
  • Contains SAML Token
  • Token contains claims
• Federated User
• Single Sign On
• Redirect importance

Security Basics - SSO

• Avoid entering the user credentials (use SSO)
• The network user is already a part of AD
• Single Sign On(SSO)
  • Enterprise SSO

Problem Use cases

• Microservices

• Cloud Apps

  • How does REST calls across network boundaries get secured?

  

• Machine to Machine

  • Scheduled Tasks, Daemons sometimes need to call REST APIs. How are they secured?
  • No user involved

  

Social Media Platform

• Social Media Sites
  • Facebook
  • LinkedIn
  • Google
  • Twitter
  • GitHub
  • Yahoo
• A user usually has Multiple Identities
  • Many Identify Providers
• What if a third party application wants to access or publish to these sites on behalf of its user?
  • User/password would be a bad idea.

Enterprise OAuth 2.0 - Enterprise and Social Media Application Landscape

原文：https://www.cnblogs.com/keepmoving1113/p/14529709.html