Constitutes the refereed proceedings of the 7th International Workshop on Information Security Applications, WISA 2006, held in Jeju Island, Korea in August 2006. This book presents 30 revised full papers that were selected during two rounds of reviewing and improvement from 146 submissions.

Public Key Crypto Applications/Virus Protection.- Controllable Ring Signatures.- Efficient User Authentication and Key Agreement in Wireless Sensor Networks.- Identity-Based Key Issuing Without Secure Channel in a Broad Area.- PolyI-D: Polymorphic Worm Detection Based on Instruction Distribution.- Cyber Indication/Intrusion Detection.- SAID: A Self-Adaptive Intrusion Detection System in Wireless Sensor Networks.- SQL Injection Attack Detection: Profiling of Web Application Parameter Using the Sequence Pairwise Alignment.- sIDMG: Small-Size Intrusion Detection Model Generation of Complimenting Decision Tree Classification Algorithm.- Biometrics/Security Trust Management.- Privacy-Enhancing Fingerprint Authentication Using Cancelable Templates with Passwords.- Impact of Embedding Scenarios on the Smart Card-Based Fingerprint Verification.- Quality Assurance for Evidence Collection in Network Forensics.- Secure Software/Systems.- Visualization of Permission Checks in Java Using Static Analysis.- Deployment of Virtual Machines in Lock-Keeper.- Smart Cards/Secure Hardware.- Investigations of Power Analysis Attacks and Countermeasures for ARIA.- Efficient Implementation of Pseudorandom Functions for Electronic Seal Protection Protocols.- A Novel Key Agreement Scheme in a Multiple Server Environment.- Mobile Security.- Cost-Effective IDS Operating Scheme in MANETs.- Authenticated Fast Handover Scheme in the Hierarchical Mobile IPv6.- A Method and Its Usability for User Authentication by Utilizing a Matrix Code Reader on Mobile Phones.- DRM/Information Hiding/Ubiquitous Computing Security/P2P Security.- Distributed Management of OMA DRM Domains.- New Traceability Codes Against a Generalized Collusion Attack for Digital Fingerprinting.- A Key Management Based on Multiple Regression in Hierarchical Sensor Network.- Random Visitor: A Defense Against Identity Attacks in P2P Overlay Networks.- Privacy/Anonymity.- Privacy Protection in PKIs: A Separation-of-Authority Approach.- Three-Party Password Authenticated Key Agreement Resistant to Server Compromise.- Privacy-Enhanced Content Distribution and Charging Scheme Using Group Signature.- Secret Handshake with Multiple Groups.- Internet and Wireless Security.- Pre-authentication for Fast Handoff in Wireless Mesh Networks with Mobile APs.- EAP Using the Split Password-Based Authenticated Key Agreement.- How Many Malicious Scanners Are in the Internet?.- E-Passport: The Global Traceability Or How to Feel Like a UPS Package.

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