# Faking it on the phone: How to tell if a voice call is AI or not

DevFeed: [Faking it on the phone: How to tell if a voice call is AI or not](<https://devfeed.tech/articles/faking-it-on-the-phone-how-to-tell-if-a-voice-call-is-ai-or-not-8332.md>)

Original publisher: [Read original article](<https://www.welivesecurity.com/en/business-security/faking-it-phone-how-tell-voice-call-ai/>)

Author: Phil Muncaster

Published: 2026-02-23T10:00:00Z

Content type: article

Language: en

Sources: [WeLiveSecurity](<https://devfeed.tech/sources/welivesecurity.md>)

Topics: [Security](<https://devfeed.tech/topics/security.md>), [Generative AI](<https://devfeed.tech/topics/generative-ai.md>), [speech-to-speech](<https://devfeed.tech/topics/speech-to-speech.md>), [Authentication](<https://devfeed.tech/topics/authentication.md>), [Finance](<https://devfeed.tech/topics/finance.md>)

Tags: [ai](<https://devfeed.tech/tags/ai.md>), [attacks](<https://devfeed.tech/tags/attacks.md>), [authentication](<https://devfeed.tech/tags/authentication.md>), [business](<https://devfeed.tech/tags/business.md>), [fraud](<https://devfeed.tech/tags/fraud.md>), [generative-ai](<https://devfeed.tech/tags/generative-ai.md>), [mfa](<https://devfeed.tech/tags/mfa.md>), [scams](<https://devfeed.tech/tags/scams.md>), [security](<https://devfeed.tech/tags/security.md>), [speech-to-speech](<https://devfeed.tech/tags/speech-to-speech.md>), [voice](<https://devfeed.tech/tags/voice.md>)

## AI overview

The article explains how generative AI enables convincing deepfake voice calls that can impersonate executives or suppliers and facilitate financial fraud, password resets, and MFA reset requests. It outlines how attackers obtain voice samples, select targets, and use scripted or near-real-time speech-to-speech tools.

## Source excerpt

Can you believe your ears? Increasingly, the answer is no. Here's what's at stake for your business, and how to beat the deepfakers.