Traditional computer security books typically focus on the implementation or theory of security controls and mechanisms at the application, operating system, network, and physical layers. Breaking the traditional model, this book educates readers at the user layer. It helps you better understand the practical aspects of computer security. The authors cover such popular security topics as social networking, social engineering (phishing), and online shopping. They also address situation awareness, including the security risks of using wireless Internet at a university and the risks of using a public computer.