For courses in Corporate, Computer and Network Security . Network Security: Innovations and Improvements Network Securities Essentials: Applications and Standards introduces readers to the critical importance of internet security in our age of universal electronic connectivity. Amidst viruses, hackers, and electronic fraud, organizations and individuals are constantly at risk of having their private information compromised. This creates a heightened need to protect data and resources from disclosure, guarantee their authenticity, and safeguard systems from network-based attacks. The Sixth Edition covers the expanding developments in the cryptography and network security disciplines, giving readers a practical survey of applications and standards. The text places emphasis on applications widely used for Internet and corporate networks, as well as extensively deployed internet standards. Table of Contents:1. Introduction Part I: Cryptography2. Symmetric Encryption and Message3. Public-Key Cryptography and Message4. Key Distribution and User Authentication5. Network Access Control and Cloud Security6. Transport-Level Security7. Wireless Network Security8. Electronic Mail Security9. IP Security Part III: System Security10. Malicious Software11. Intruders12. Firewalls APPENDICESAppendix A Some Aspects of Number TheoryAppendix B Projects for Teaching Network Security