WCF security
http://msdn2.microsoft.com/en-us/library/ms732362.aspx
WCF with x509
http://msdn2.microsoft.com/en-us/library/ms733137.aspx
Using client credentials
http://www.theserverside.net/tt/articles/showarticle.tss?id=SecuringWCFService
Delegation and Impersonation with WCF
http://msdn2.microsoft.com/en-us/library/ms730088.aspx
Specifying the Identity of a Service for Authentication
http://msdn2.microsoft.com/en-us/library/ms733130.aspx
X509 - http://blogs.msdn.com/suwatch/default.aspx
client certificates - http://msdn2.microsoft.com/en-us/library/ms731899.aspx
wcf and x509 - http://blogs.msdn.com/suwatch/archive/2007/04/06/x509-and-wcxf-security.aspx
x509 between services : http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=164756&SiteID=1
WCF team blog - http://wcf.netfx3.com/blogs/wcf_team_bloggers/
IIS certificate authorization - http://staff.newtelligence.com/sergeys/WCFIISCertificatesAuthorization.aspx
MSMQ
http://msdn2.microsoft.com/en-us/library/ms731172.aspx
SetSPN - http://msdn2.microsoft.com/en-us/library/ms735117.aspx
Hosting Services
http://msdn2.microsoft.com/en-us/library/ms730158.aspx
Hosting and Consuming WCF Services
http://msdn2.microsoft.com/en-us/library/bb332338.aspx
working with certificate
http://msdn2.microsoft.com/en-us/library/ms731899.aspx
WCF performance
http://msdn2.microsoft.com/en-us/library/ms735098.aspx
http://msdn2.microsoft.com/en-us/library/bb310550.aspx
WCF Security References [Via: nluria ] Smart Client Software Factory v2 is now available [Via: Public...