Third International Workshop on Enterprise Security, Stanford, CA, USA, June17-19, 1998. o Setting up a secure Web server and clients on an Intranet. J. Claessens, M. Vandenwauver, B. Preneel and J. Vandewalleo o The Problem with Multiple Roots in Web Browsers - Certificate Masquerading. Capt. J. Hayes o Security and Confidentiality in Healthcare Informatics. Y. Al-Salqan and J. Jagannathan o Cooperative Security: A Model for the New Enterprise. B. Fox and B. LaMacchia o A Model-Driven Approach to System Security Engineering. J. Maley, Al Milheizer, D. Higginbotham and B. Suskie o Antropolocentric Approach into IT Security Awareness M. Siponen and J. Kajava o Efficient Security for Large and Dynamic Multicast Groups. G. Caronni, M. Waldvogel, D. Sun and B. Plattner o Sabotage-proof Routing. R. Perlman o Development of an Intranet Security Infrastructure and Its Applications. Y.-K. Hsu o Authorization and Attribute Certificates for Widely Distributed Access Control. W. Johnston, S. Mudumba and M. Thompson o A Public Key Encryption System for Defective Data Transmission. R. Naujoks and M. Gustafsson o A Ubiquitous Secure and Reliable Digital Data Repository System. R. Deng o Using SESAME's GSS-API to add security to Unix applications. M. Vandenwauver, P. Ashley, M. Rutherford and S. Boving o Service Session Security in TINA - Dynamic Role Creation and Management in TINA Service Environment. T. Hamada o WebGroup: a secure group access control tool for the World-Wide Web. F. Petitcolas and K. Zhang