A New Dynamic ID based User Authentication Scheme using Mobile Device: Cryptanalysis, the Principles and Design Efficient Random Key based Encryption System for Data Packet Confidentiality in WSNs Kashif Saleem, Third Line of Defense Strategy to Fight against SMS-based Malware in Android-based Smartphones Abdelouahid Derhab, & Kashif The book is written using a layered approach, starting with basic explanations of why IPsec was developed and the types of organizations relying on IPsec to secure data transmissions. It then outlines the basic IPsec/ISAKMP fundamentals that were developed