Review and Comparison of Face Detection Techniques -- Keyword Spotting with Neural Networks used for Image-Classification -- Strategic Way to Count the Number of People in a Room Using Multiple Kinect Cameras -- Biomedical Image Security using Matrix Manipulation and DNA Encryption -- A study on the issue of blockchain's energy consumption -- Study on network scanning using machine learning based methods -- Is Blockchain the Future of Supply Chain Management? -- APDRChain: ANN Based Predictive Analysis of Diseases and Report Sharing Through Blockchain -- Study on S-box Properties of Convolution Coder -- Smart Healthcare Assistance towards on-road Medical Emergency -- A Study on Various Database Models: Relational, Graph and Hybrid Databases -- Microcontroller Based Automotive Control System Employing Real Time Health Monitoring of Drivers to Avoid Road Accidents -- Surface Potential Profile of Nano scaled Work function Engineered Gate Recessed IR Silicon on Insulator MOSFET -- A mobile user authentication technique in Global mobility network -- Efficient Entity Authentication using modified Guillou-Quisquater Zero Knowledge Protocol -- Ethical Hacking: Redefining Security in Information System -- Internal Organizational Security -- Securing Air Gapped Systems -- Data Security Techniques based on DNA Encryption. .

This book gathers the peer-reviewed proceedings of the International Ethical Hacking Conference, eHaCON 2019, the second international conference of its kind, which was held in Kolkata, India, in August 2019. Bringing together the most outstanding research papers presented at the conference, the book shares new findings on computer network attacks and defenses, commercial security solutions, and hands-on, real-world security lessons learned. The respective sections include network security, ethical hacking, cryptography, digital forensics, cloud security, information security, mobile communications security, and cyber security.