gcdRadar
closedclosed 8 Mar 2023Breaches & attacks3 Confirmed exploitationAI

Lloyds Bank Voice ID Bypassed Using AI-Generated Audio

Lloyds Bank Voice ID, ElevenLabs

A journalist successfully bypassed a bank's voice recognition authentication system using synthetic audio generated by AI. The incident demonstrated vulnerabilities in voice biometric security controls.

first report
22 Feb 2023
last update
22 Feb 2023

Timeline · 1

  1. 22 Feb 2023UK Bank's Voice ID Successfully Bypassed Using AI-Produced Audio

Sources · 1

Research and catalogues

  1. 2023-02-22
    UK Bank's Voice ID Successfully Bypassed Using AI-Produced Audio
    AI Incident Database · incidentdatabase.ai/cite/485

Titles and links belong to their publishers. The summary above is written by gcdRadar in its own words; data is CC BY-SA 4.0.

Classification

AI role
AI-enabled attack
categories
Deepfake fraud
severity
3 · Confirmed exploitation
targets
Enterprise deployment
owasp llm top 10
no entry for these categories
dates
happened 22 Feb 2023 · first reported 22 Feb 2023
origin
AI Incident Database
Derived from the AI Incident Database (CC BY-SA 4.0).
record
confidence 0.95 · created 2026-10-18 06:33Z · updated 2026-10-18 06:59Z

Lane, AI role, categories and severity come from the classifier; the OWASP and ATLAS rows are derived from the categories. How these are assigned

Copy a brief

This record as a short Markdown brief, for a ticket, a chat or a coding agent.

the brief as text
# Lloyds Bank Voice ID Bypassed Using AI-Generated Audio

https://gcdradar.vercel.app/incidents/lloyds-bank-voice-id-bypassed-using-ai-generated-audio · AIR-2023-0028 · closed 2023-03-08

- Lane: Breaches & attacks
- Severity: 3 (Confirmed exploitation)
- Fix status: No fix needed
- First reported: 2023-02-22
- AI role: AI-enabled attack
- Products: Lloyds Bank Voice ID, ElevenLabs

## Summary

A journalist successfully bypassed a bank's voice recognition authentication system using synthetic audio generated by AI. The incident demonstrated vulnerabilities in voice biometric security controls.

## What to do

No action recorded; read the sources below and the vendor's advisory.

## Latest updates

- 2023-02-22: UK Bank's Voice ID Successfully Bypassed Using AI-Produced Audio (https://incidentdatabase.ai/cite/485)

## Sources

- 2023-02-22 AI Incident Database: UK Bank's Voice ID Successfully Bypassed Using AI-Produced Audio https://incidentdatabase.ai/cite/485

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.

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