Chapter 1. Introduction: Securing the Internet of Things Chapter 2. Security Architecture in the Internet of Things Chapter 3. Security and Vulnerability in the Internet of Things Chapter 4. IoT Node Authentication Chapter 5. Security Requirements in IoT Architecture Chapter 6. Security in Enabling Technologies Chapter 7. Existing Security Scheme for IoT Chapter 8. Security Concerns in Social IoT Chapter 9. Confidentiality and Security for IoT Based Healthcare sakriti opis