Chapter 1. Remotely Triggered Black Hole Routing in SDN for Handling DoS.- Chapter 2. An Improved Authentication and Key Agreement Protocol for Smart Healthcare System in Context of Internet of Things using Elliptic Curve Cryptography.- Chapter 3. Highly Scalable Block Cipher Encryption in MapReduce Based Distribution System.- Chapter 4. RansomAnalysis: The Evolution and Investigation of Android Ransomware.- Chapter 5. On the applicability of Certificateless...