Noise modeīy enabling the Noise mode in the AudioContext section, Multilogin will modify the audio stack on a browser level, which will eventually produce a unique audio fingerprint.ĭon't forget! If you've created a browser profile with AudioContext masking set to Noise and open it on various machines with different hardware installed, the website will see that the audio fingerprint hash is not persistent across multiple launches The added noise is persistent. In Multilogin, you are able to control your AudioContext read-outs by either adding a persistent random noise to the readout or allowing the website to see the real audio fingerprint of your device. You can check what information about your AudioContext websites can retrieve here.
This sinusoid is converted into a hash function and sent to servers and used as additional entropy in browser fingerprinting. The way it works is that a website asks your browser to simulate a sinusoidal function of how it plays audio files based on the audio setting and hardware you have installed. The AudioContext fingerprint (also known as "audio fingerprint") is a hash derivative of your machine's audio stack. AudioContext fingerprint test - What to do with hardware fingerprints? Discussing Canvas, WebGL, and AudioContext (video) - Hardware: Canvas - Hardware: WebGL - Media devices
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