Security spec name and abbrev

SAML 2.0 and 1.1 have a "Security and Privacy Considerations" (saml-sec-consider) spec.  http://saml.xml.org/saml-specifications

ID-WSF 2.0 has ID-WFF 2.0 SecMech SAML Profile (liberty-idwsf-security-mechanisms-saml-profile)  http://projectliberty.org/liberty/content/download/894/6258/file/liberty-idwsf-security-mechanisms-saml-profile-v2.0.pdf

The first hit for secmech is draft-iab-secmech-03 - Security Mechanisms for the Internet, 2003. http://tools.ietf.org/html/draft-iab-secmech-03  which became RFC 3631http://tools.ietf.org/html/rfc3631 .