Mastering Web Services Security

BRET HARTMAN is Chief Technology Officer at Quadrasis, a business unit of Hitachi. He is a well-known expert on security of component systems.
DONALD J. FLINN is Chief security architect at Quadrasis and an active member of the SAML and WS-Security working groups at OASIS, which defines XML and Web services security.
KONSTANTIN BEZNOSOV, PhD, is a security architect at Quadrasis, specializing in the security design for distributed systems.
SHIRLEY KAWAMOTO is a principal security architect at Quadrasis, specializing in cryptography.