ZapNote: Quadrasis
Quadrasis is using the power of Web Services to build a broad enterprise security architecture framework. They approach the enterprise IT environment from the top down, addressing the security requirements for the full breadth of heterogeneous systems in a typical enterprise. Their flagship product, EASI Security Unifier, provides a "virtual security service" for the enterprise, abstracting the individual security requirements of each system using the open standards of Web Services, and in particular, the Security Assertion Markup Language (SAML).