While biometric authentication has advanced significantly in recent years, evidence shows
the technology can be susceptible to malicious spoofing attacks. The research community …

Voice assistants (VA) have become prevalent on a wide range of personal devices such as
smartphones and smart speakers. As companies build voice assistants with extra …

In recent years, automatic speaker verification (ASV) is used extensively for voice biometrics.
This leads to an increased interest to secure these voice biometric systems for real-world …

Replay, which is to playback a pre-recorded speech sample, presents a genuine risk to
automatic speaker verification technology. In this study, we evaluate the vulnerability of text …

It is widely acknowledged that most biometric systems are vulnerable to spoofing, also
known as imposture. While vulnerabilities and countermeasures for other biometric …

Voice conversion-the methodology of automatically converting one's utterances to sound as
if spoken by another speaker-presents a threat for applications relying on speaker …

Automatic speaker verification (ASV) systems are subject to various kinds of malicious
attacks. Replay, voice conversion and speech synthesis attacks drastically degrade the …

Over the past few years, significant progress has been made in the field of presentation
attack detection (PAD) for automatic speaker recognition (ASV). This includes the …

Spoofing countermeasure systems protect Automatic Speaker Verification (ASV) systems
from spoofing attacks such as replay, synthesis, and conversion. However, research has …

This paper re-examines the threat of spoofing or presentation attacks in the context of
automatic speaker verification (ASV). While voice conversion and speech synthesis attacks …