Download Safari Books Online apps: Apple iOS | Android

Entire Site

Safari Books Online

    Free Trial

    Safari Books Online is a digital library providing on-demand subscription access to thousands of learning resources.


    Title Page
    Copyright Page
    Preface
    Chapter 1: A Pragmatic Approach to Intrusion Response Metrics
    Chapter 2: Feature Extraction Methods for Intrusion Detection Systems
    Chapter 3: A Distributed and Secure Architecture for Signature and Decryption Delegation through Remote Smart Cards
    Chapter 4: Information Security Management
    Chapter 5: Analyzing Information Security Goals
    Chapter 6: Graphical Passwords
    Chapter 7: Assessing the Security of Software Configurations
    Chapter 8: A Decision Support System for Privacy Compliance
    Chapter 9: Information Security Management Based on Linguistic Sharing Techniques
    Chapter 10: SQL Injection Attacks Countermeasures
    Chapter 11: Security and Authentication Issues of an Embedded System Designed and Implemented for Interactive Internet Users
    Chapter 12: Distributed Key Management Scheme Based on CL-PKC in P2P Networks
    Chapter 13: A Privacy Service for Comparison of Privacy and Trust Policies within SOA
    Chapter 14: Creating and Applying Security Goal Indicator Trees in an Industrial Environment
    Chapter 15: Security Enhancement of Peer-to-Peer Session Initiation
    Chapter 16: Towards a Framework for Collaborative Enterprise Security
    Chapter 17: Privacy-Aware Organisation-Based Access Control Model (PrivOrBAC)
    Chapter 18: Can Formal Methods Really Help
    Chapter 19: Countering Spam Robots
    ABSTRACT
    INTRODUCTION
    BACKGROUND
    FUTURE RESEARCH DIRECTIONS
    CONCLUSION
    Chapter 20: Embedded System Security Risk in a Green-House Environment
    Chapter 21: Security in Wireless Sensor Networks with Mobile Codes
    Chapter 22: Grid of Security
    Chapter 23: Effective Malware Analysis Using Stealth Breakpoints
    Chapter 24: A Dynamic Cyber Security Economic Model
    Compilation of References
    About the Contributors
    Index
    • Create BookmarkCreate Bookmark
    • Create Note or TagCreate Note or Tag
    • PrintPrint
    Share this Page URL
    Help

    Chapter 19: Countering Spam Robots - Pg. 381

    381 Scrambled CAPTCHA and Hindi CAPTCHA Aditya Raj Netaji Subhas Institute of Technology, India Tushar Pahwa Netaji Subhas Institute of Technology, India Ashish Jain Netaji Subhas Institute of Technology, India Countering Spam Robots: Chapter 19