To deal with security issues effectively, knowledge of theories alone is not sufficient. Practical experience is essential. Helpful for beginners and industry practitioners, this book develops a concrete outlook, providing readers with basic concepts and an awareness of industry standards and best practices. Chapters address cryptography and network security, system-level security, and applications for network security. The book also examines application level attacks, practical software security, and securing application-specific networks. Ganguly Debashis speaks about Network and Application Security