Enrollment-Stage Backdoor on Speaker Recognition via Adversarial Ultrasound
Date: 2023-06
Affected: Speaker recognition, voice authentication
Attack vector: backdoor
Category: research
Severity: High

Han et al. backdoor speaker-recognition systems during enrollment via ultrasonic adversarial audio, enabling stealthy impersonation in deployed voice-authentication systems.


Mitigations:

Architectural layers (MAESTRO):