1. A method, comprising: comparing, by a computer-based system for facilitating an analysis of a voice of a speaker, at least a portion of a speaker voice print with known voice prints; determining, by said computer-based system, that said speaker voice print matches any of said unauthorized known voice prints; identifying, by said computer-based system, said speaker as an unauthorized speaker in response to said speaker voice print at least partially matching any of said unauthorized known voice prints stored in an unauthorized voice print database; and performing, by said computer-based system, an action related to a transaction account in response to said speaker being said unauthorized speaker.