Organizations rely on communicating securely and privately with their customers. What happens when these communication channels are under attack? While AI has enabled many beneficial applications, criminals are finding novel ways to abuse it. The person on the far end of a voice call is becoming much more challenging to authenticate. These new forms of attack must be met with constant vigilance and defense-in-depth. This briefing discusses the threats facing organizations today, how to prepare and remain on guard, and ways to integrate voice security incident response into your disaster recovery plan.