The information technology misuse is this work's subject matter. The concept and definition of the misuse, as well as its manifestations and types of protection, are examined. The reader will learn about the information technology misuse's risks, its forms, and causes leading to the misuse. We will write about custom tactics and techniques which hackers use in their intentions, but also how to recognize this kind of people. The principles and methods of the misuse protection and self-protection when using the information technology are stated. We have also stated how to avoid the fact of becoming a victim of mentioned category of criminal with respect to existing information technology menaces. We have described hazards of the misuses of social networking services such as Facebook or Twitter. Those kinds of services are suitable for posting and distributing different kinds of unacceptable content which are misused by individual types of criminals. Furthermore, we have stated typical cases of Internet misuse in the world, starting from the beginning of the Internet and information technology usage, but nowadays as well. Stating the reasons throughout this work, it is necessary to build adequate protection systems for the information technology misuses. At the end of the work we have attached an interview with acknowledged expert in the field of information technology.