Using Automatic Speech Recognition for Attacking Acoustic CAPTCHAs: The Trade-off between Usability and Security

2014 - Hendrik Meutzner, Viet Hung Nguyen, Thorsten Holz, Do­ro­thea Kolossa

An­nual Com­pu­ter Se­cu­ri­ty Ap­p­li­ca­ti­ons Con­fe­rence (ACSAC), New Or­leans, USA, De­cem­ber 2014 - ** Outstanding Paper Award ** [PDF]