1. Application Authentication using Azure AD

2. Who am I? Ashish Gupta .NET Developer by background
Currently working as an Identity and Access Management Architect/Developer for LPL Financial, Charlotte
Contact :-
Website :
Twitter

3. Agenda Authentication/Authorization Authentication techniques
Basic Authentication techniques
SAML, WS-Federation
OAuth
Open ID Connect
Azure AD Overview
Authentication using Azure AD

4. Back to basics Popular Authentication Techniques
Pre-claims authentication techniques
Passwords
Domain authentication
Claim-based identity
SAML, WS-Federation
OAuth, OpenID-Connect

5. Pre-claims Auth techniques Passwords
Application specific – Not meant for the multi application access.

6. Pre-claims Auth techniques Domain Authentication
Works well within the enterprise – but not outside.

7. Claim-based Auth Techniques High level Analogy
Process of Boarding a plane
Sign-On Protocol :
Go to a check-in kiosk > print the boarding pass >TSA line > Boarding gate > Board the plane
Authentication Protocol
The passport/driver license
Token
The boarding pass
WS-Federation
Storing passwords?
Read this :-

8. Claim-based Auth Techniques SAML
Enables an application to send Auth requests and obtain tokens that can be sent across domains
SAML was introduced in year It uses SAML token which is XML format, very expressive but very verbose. SaaS vendors are more likely to support it than WS-Federation.  On the other hand, if you are in a mostly Microsoft world, WS-Federation is more ubiquitous. 
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9. Claim-based Auth Techniques WS-Federation
Enables an application to send Auth requests and obtain tokens that can be sent across domains
WS-Fed supports SAML tokens as well as the JWT. SAML protocol supports only SAML tokens.
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10. Claim-based Auth Techniques Oauth 2.0
Authorization Protocol

11. Claim-based Auth Techniques Open ID Connect
Oauth Authentication

12. Azure AD – An overview
Identity and Access Management as a service (IDaaS)
Identifies Apps, APIs and users using internet ready standards OpenID-Connect, WS-Fed
Its free!! And free version is very capable. Up to about ½ million users authentication is supported.

13. Thank you
Questions?