Master IoT security and data privacy with this comprehensive guide. Addressing the critical privacy vulnerabilities and data security challenges in the Internet of Things (IoT) and IoE, this book offers a consolidated view of essential technologies. Learn robust security engineering and privacy-by-design principles to build secure IoT ecosystems and devices. It delves into IoT architecture, differentiates threats, and provides state-of-the-art countermeasures for RFID and WSNs. Essential for Indian researchers, graduate students, engineers, and IT professionals eager to secure the connected future.