He said the scripts built a WebAudio graph that introduced a sawtooth oscillator to generate a waveform, an analyzer to measure the result after the waveform passes through a browser’s audio implementation, and a script to read the associated frequency data.
This is a fairly interesting method of fingerprinting. Annoying too, as it hogs the audio channels as experienced by the discoverer
This appears to be a new tactic though
Add it to the pool of a thousand others.
This is a fairly interesting method of fingerprinting. Annoying too, as it hogs the audio channels as experienced by the discoverer