Computer Sciences

A method to protect audio classifiers against adversarial attacks

In recent years, machine learning algorithms have attained remarkable results in a variety of tasks, including the classification of both images and audio files. A class of algorithms that has proven to be particularly promising ...

Computer Sciences

How voice assistants follow inaudible commands

An attack against speech recognition systems with manipulated audio files used to work only via a data interface. Now, all it takes is playing the secret messages via loudspeakers.


Smart software for smart devices

Almost everywhere one turns, one sees someone using a smartphone or other mobile, internet-connected device. Commonly, usage of such devices is not to make and receive phone calls as one might expect but the use of countless ...