Times change. Technologies are used that not only simplify our lives, but also help us to effectively use all the benefits, as well as the achievements of mankind. We are talking about the technology of speech identification and the use of a voice print as a user protection. This technology is interesting because due to the spread of mobile devices, using speech technologies, it has become available to everyone. Many of us can no longer imagine life without devices that allow us to transmit verbal (voice) information to other users. Each new technology carries not only positive, but also negative aspects of using means of protection against an intruder. That is why it is necessary to take into account all the factors of a particular technology. This article discusses possible threats, methods of influencing the user, as well as an analysis of possible measures to prevent possible attacks using the user's voice print.