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Deep & Emerging Tech·July 15, 2026·1 min read

The Three-Second Theft: Why AI Voice Fraud Outruns Every Defence

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If three seconds of audio is enough to convincingly clone a voice, knowledge-based and voice-based authentication are already obsolete. CISOs and ops leaders should assume deepfake-capable adversaries and move high-value workflows — payments, approvals, support overrides — to hardware tokens, app-based verification, or out-of-band checks this quarter.