Tasidou, Aimilia; Efraimidis, Pavlos S.; Soupionis, Yannis - In: Information & Computer Security 24 (2016) 1, pp. 2-19
Purpose – This work aims to argue that it is possible to address discrimination issues that naturally arise in contemporary audio CAPTCHA challenges and potentially enhance the effectiveness of audio CAPTCHA systems by adapting the challenges to the user characteristics....