Cyber security is only one of countless career opportunities within the broader field of computer science, as wide as it is. It takes time and effort to study what each choice has to offer before deciding on the best one for you. Keeping this though in mind, this book has explained the basics of cybersecurity in details along with the types of technology, cybercrimes, cybercriminals, cyber laws, and methods to prevent cybercrimes. This book provides a huge opportunity to those readers who want to have a firm grasp on the basics of the cybersecurity. In this book, the basics and importance of cybersecurity has been explained in details. The procedure and methods which are brought in use in cybersecurity technologies are presented in simple and understandable language. The types of cyber crimes that take place has also been discussed along with the methods of prevention and precautions. The laws implemented for prevention of such crimes and also to stop and punish cyber criminals are detailed in this book.