---
title: The Script, Not the Voice, Is What Makes AI Voice Phishing Work
metaTitle: AI Vishing—The Script Matters More Than the Voice.
description: New research finds that, despite people's vigilance against AI voice clones, it is persuasive words, not human-likeness, that drives scam compliance.
slug: the-script-matters-more-than-the-voice
date: "2026-07-17T12:00:00-05:00"
featured: true
image:
  src: https://cdn.securelogix.dev/slx/images/the-script-is-what-matters.webp
  alt: Silhouettes of actors on a stage.
sourcePublisher:
  name: Help Net Security
  url: "https://www.helpnetsecurity.com/"
sourceArticle:
  url: "https://www.helpnetsecurity.com/2026/07/17/research-ai-voice-phishing/"
tags: [Vishing, Deepfake, Social Engineering]
status: published
---

The call comes in at 4:40 on a Friday. The voice belongs to a senior manager, or sounds close enough, and she needs a password reset before a flight. She is polite, she is in a hurry, and she has the last four of the badge number.

Researchers at Harvard Kennedy School, Meta and elsewhere ran a version of that moment past 4,100 US adults, using six commercial voice systems and human callers as a control. The results land in an odd place for anyone buying deepfake detection...