Windows Identity Foundation 4.5 (WIF) is a framework for building identity-aware and more specifically claims-aware applications. It furthermore provides an abstraction to the underlying protocols (ex: WS-Trust, WS-Federation, etc …) and therefore encapsulates and standardizes application security.
Developers do not need to know how to exactly implement and use those protocols anymore. . . . → Read More: WCF 4.5 Hosting :: Windows Identity Foundation 4.5 in NET 4.5