There is provided a system and method for secure voice identification in a medical device. More specifically, in one embodiment, there is provided a method comprising receiving an audio signal, identifying one or more frequency components of the received audio signal, determining a permission level associated with the one or more frequency components, determining a medical device command associated with the one or more frequency components, wherein the medical device command has a permission level, and executing the medical device command if the permission level of the medical device command is at or below the permission level associated with the one or more frequency components.