The security mode determines the type of security required by an endpoint. Windows Communication Foundation (WCF) security offers a variety of mechanisms with which to secure the transfer of messages that are configured with the system-provided bindings. Each of the bindings supports a subset of these security modes. The mode determines the mechanisms by which message transfer security functions (integrity, confidentiality and authentication) are required.
Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)