Graduate School and Research Center in Digital Sciences

Re-assessing the threat of replay spoofing attacks against automatic speaker verification

Alegre, Federico; Evans, Nicholas; Janicki, Artur

BIOSIG 2014, 13th International Conference of the Biometrics Special Interest Group, 10-12 September 2014, Darmstadt, Germany

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 present a serious threat, and have accordingly received a great deal of attention in the recent literature, they can only be implemented with a high level of technical know-how. In contrast, the implementation of replay attacks require no specific expertise nor any sophisticated equipment and thus they arguably present a greater risk. The comparative threat of each attack is re-examined in this paper against six different ASV systems including a state-of-the-art iVector-PLDA system. Despite the lack of attention in the literature, experiments show that low-effort replay attacks provoke higher levels of false acceptance than comparatively higher-effort spoofing attacks such as voice conversion and speech synthesis. Results therefore show the need to refocus research effort and to develop countermeasures against replay attacks in future work.

Document Bibtex

Title:Re-assessing the threat of replay spoofing attacks against automatic speaker verification
Type:Conference
Language:English
City:Darmstadt
Country:GERMANY
Date:
Department:Digital Security
Eurecom ref:4441
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Bibtex: @inproceedings{EURECOM+4441, year = {2014}, title = {{R}e-assessing the threat of replay spoofing attacks against automatic speaker verification}, author = {{A}legre, {F}ederico and {E}vans, {N}icholas and {J}anicki, {A}rtur}, booktitle = {{BIOSIG} 2014, 13th {I}nternational {C}onference of the {B}iometrics {S}pecial {I}nterest {G}roup, 10-12 {S}eptember 2014, {D}armstadt, {G}ermany}, address = {{D}armstadt, {GERMANY}}, month = {09}, url = {http://www.eurecom.fr/publication/4441} }
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