Today, interacting with each other and doing transactions online is  commonplace.  An enormous amount of personal and business communication and data transfer are done directly over the Internet. While this brings about great convenience and efficiency it also offers opportunities for malicious parties to gain access to and misuse our information. This course aims to provide introductory level knowledge about various online technologies together with a focus on related security and privacy considerations.  A wide spectrum of topics are covered, including: Internet technology and services, eCommerce, social networking, wireless networks, mobile Apps, digital marketing and location-based services.  The legal, ethical and societal aspects of security and privacy, as well as the good practices for computing and online interaction will also be discussed.  Learning activities include lectures, group projects, case studies, hands-on assignment, and tutorial sessions.