This report discusses the personal and ethical implications of privacy of Government Sensor Network, smart Wi-Fi network, digital identity, and security and privacy of digital identity during operation mobile device. It also covers the implementation of the Australian Smart national plan in Singapore and the deployment of Smart Wi-Fi by the government. The report provides insights into the challenges and opportunities of smart cities and the use of sensory-based technology. The report concludes with recommendations for securing data while using public Wi-Fi.