Streams, Security and Scalability -- Towards Privacy-Enhanced Authorization Policies and Languages -- Revocation of Obligation and Authorisation Policy Objects -- Role Slices: A Notation for RBAC Permission Assignment and Enforcement -- Designing Secure Indexes for Encrypted Databases -- Efficiency and Security Trade-Off in Supporting Range Queries on Encrypted Databases -- Verified Query Results from Hybrid Authentication Trees -- Multilevel Secure Teleconferencing over Public Switched Telephone Network -- Secrecy of Two-Party Secure Computation -- Reliable Scheduling of Advanced Transactions -- Privacy-Preserving Decision Trees over Vertically Partitioned Data -- Privacy-Preserving Collaborative Association Rule Mining -- Privacy-Preserving Distributed k-Anonymity -- Towards Database Firewalls -- Complete Redundancy Detection in Firewalls -- A Comprehensive Approach to Anomaly Detection in Relational Databases -- An Authorization Architecture for Web Services -- Secure Model Management Operations for the Web -- A Credential-Based Approach for Facilitating Automatic Resource Sharing Among Ad-Hoc Dynamic Coalitions -- Secure Mediation with Mobile Code -- Security Vulnerabilities in Software Systems: A Quantitative Perspective -- Trading Off Security in a Service Oriented Architecture -- Trusted Identity and Session Management Using Secure Cookies -- Security Issues in Querying Encrypted Data -- Blind Custodians: A Database Service Architecture That Supports Privacy Without Encryption.

This book constitutes the refereed proceedings of the 19th Annual Working Conference on Data and Applications Security held in Storrs, CT, USA, in August 2005. The 24 revised full papers presented together with an invited lecture were thoroughly reviewed and selected from 54 submissions. The papers present theory, technique, applications, and practical experience of data and application security with topics like cryptography, privacy, security planning and administration, secure information integration, secure semantic Web technologies and applications, access control, integrity maintenance, knowledge discovery and privacy, concurrency control, fault-tolerance and recovery methods.