Nothing people do online is ever completely private or anonymous. With each technological advance in the connectivity of the internet comes additional opportunities for cybercriminals to have immediate access to an individual's life. This volume explains how personal and private information is at risk for theft and what people can do to keep it secure from hackers who want to steal information, money, and even their identity. Teens discover not only what tools and strategies these hackers are using to get to their information but what steps they can take to stay safe. Readers will understand password protection and learn how to use Wi-Fi safely.