Annotation: This paper is about an ensuring the security of smart voice assistants against the most significant threats by reducing the number of false triggers. The paper analyses the threats to smart voice assistants and presents a list of their features. The goal is to reduce the number of unnecessary activations of smart voice assistant. An architecture and method for a custom security module that reduces false alarms are described. This security module was developed and tested with positive results.

Keywords: Smart voice assistant, voice biometrics, dolphin attack, information security threat model, impersonalization, white noise, speech synthesis